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References
- Arican, M. (2018). Preservice Mathematics Teachers’ Understanding of and Abilities to Differentiate Proportional Relationships from Nonproportional Relationships. International Journal of Science and Mathematics Education, 17(7), 1423–1443. https://doi.org/10.1007/s10763-018-9931-x
- Arican, M. (2019a). A diagnostic assessment to middle school students’ proportional reasoning. Turkish Journal of Education, 8(4), 237–257. https://doi.org/10.19128/turje.522839
- Arican, M. (2019b). Facilitating Pre-Service Mathematics Teachers’ Understanding of Directly and Inversely Proportional Relationships Using Hands-On and Real-World Problems. International Journal of Research in Education and Science (IJRES), 5(1), 102–117.
- Artut, P. D., & Pelen, M. S. (2015). 6th Grade Students’ Solution Strategies on Proportional Reasoning Problems. Procedia - Social and Behavioral Sciences, 197(February), 113–119. https://doi.org/10.1016/j.sbspro.2015.07.066
- Atabaş, Ş., & Öner, D. (2017). An Examination of Turkish Middle School Students ’ Proportional Reasoning. Boğaziçi University Journal of Education, 33(1), 63–85.
- Avcu, R., & Dogan, M. (2014). What Are the Strategies Used by Seventh Grade Students While Solving Proportional Reasoning Problems? International Journal of Educational Studies in Mathematics, 1(2), 34–55. https://doi.org/10.17278/ijesim.2014.02.003
- Ayan Civak, R., Işiksal Bostan, M., & Yemen Karpuzcu, S. (2022). Development of a Hypothetical Learning Trajectory for Enhancing Proportional Reasoning. Hacettepe Egitim Dergisi, 37(1), 345–365. https://doi.org/10.16986/HUJE.2020063485
- Ayan, R., & Isiksal-Bostan, M. (2019). Middle school students’ proportional reasoning in real life contexts in the domain of geometry and measurement. International Journal of Mathematical Education in Science and Technology, 50(1), 65–81. https://doi.org/10.1080/0020739X.2018.1468042
- Ben-Chaim, D., Keret, Y., & Ilany, B.-S. (2012). Ratio and Proportion Research and Teaching in Mathematics Teacher’s Education (Pre-and In-Service Mathematics Teachers of Elementary and Middle School Classes). Sense Publishers.
- Bintara, I. A., & Suhendra. (2021). Analysis toward learning obstacles of junior high school students on the topic of direct and inverse proportion. Journal of Physics: Conference Series, 1882(1), 0–7. https://doi.org/10.1088/1742-6596/1882/1/012083
- Boyer, T. W., & Levine, S. C. (2015). Prompting children to reason proportionally: Processing discrete units as continuous amounts. Developmental Psychology, 51(5), 615–620. https://doi.org/10.1037/a0039010
- Burgos, M., & Godino, J. D. (2020). Prospective Primary School Teachers’ Competence for Analysing the Difficulties in Solving Proportionality Problem. Mathematics Education Research Journal, 34(2), 269–291. https://doi.org/10.1007/s13394-020-00344-9
- Carney, M. B., Smith, E., Hughes, G. R., Brendefur, J. L., & Crawford, A. (2016). Influence of proportional number relationships on item accessibility and students’ strategies. Mathematics Education Research Journal, 28(4), 503–522. https://doi.org/10.1007/s13394-016-0177-z
- Crowe, S., Cresswell, K., Robertson, A., Huby, G., Avery, A., & Sheikh, A. (2011). The case study approach. BMC Medical Research Methodology, 11(1), 100. https://doi.org/10.1186/1471-2288-11-100
- D’Angela Menduni-Bortoloti, R., & Barbosa, J. C. (2017). A Construção de uma Matemática para o Ensino do Conceito de Proporcionalidade Direta a partir de uma Revisão Sistemática de Literatura. Bolema - Mathematics Education Bulletin, 31(59), 947–967. https://doi.org/10.1590/1980-4415v31n59a05
- Dole, S., Hilton, A., & Hilton, G. (2015). Proportional Reasoning as Essential Numeracy. Mathematics Education in the Margins (Proceedings of the 38th Annual Conference of the Mathematics Education Research Group of Australasia), 189–196.
- Doyle, K. M., Dias, O., Kennis, J. R., Czarnocha, B., & Baker, W. (2015). The rational number sub-constructs as a foundation for problem solving. Adults Learning Mathematics: An International Journal, 11(1), 21–42. https://eric.ed.gov/?id=EJ1091996
- Feagin, J. R., Orum, A. M., & Sjoberg, G. (2016). A case for the case study. UNC Press Book. https://uncpress.org/book/9780807843215/a-case-for-the-case-study/
- Gea, M. M., Hernández-Solís, L. A., Batanero, C., & Álvarez-Arroyo, R. (2023). Relating students’ proportional reasoning level and their understanding of fair games. Journal on Mathematics Education, 14(4), 663–682. https://doi.org/10.22342/jme.v14i4.pp663-682
- Gundogdu, N. S., & Tunc, M. P. (2022). Improving Middle School Students ’ Proportional Reasoning Through STEM Activities. Journal of Pedagogical Research, 6(2), 164–185.
- Hilton, A., Hilton, G., Dole, S., & Goos, M. (2016). Promoting middle school students’ proportional reasoning skills through an ongoing professional development programme for teachers. Educational Studies in Mathematics, 92(2), 193–219. https://doi.org/10.1007/s10649-016-9694-7
- Hjelte, A., Schindler, M., & Nilsson, P. (2020). Kinds of mathematical reasoning addressed in empirical research in mathematics education: A systematic review. Education Sciences, 10(289), 1–15. https://doi.org/10.3390/educsci10100289
- Irfan, M., Nusantara, T., Subanji, S., & Sisworo, S. (2018). Why Did the Students Make Mistakes in Solving Direct and Inverse Proportion Problem ? International Journal of Insights for Mathematics Teaching, 1(1), 25–34.
- Irfan, M., Nusantara, T., Subanji, S., & Sisworo, S. (2019). Direct proportion or inverse proportion? The occurrence of student thinking interference. International Journal of Scientific and Technology Research, 8(7), 587–590.
- Izsák, A., & Jacobson, E. (2017). Preservice teachers’ reasoning about relationships that are and are not proportional: A knowledge-in-pieces account. Journal for Research in Mathematics Education, 48(3), 300–339. https://doi.org/10.5951/jresematheduc.48.3.0300
- Izzatin, M. (2021). Students’ proportional reasoning in solving non-routine problems based on mathematical disposition. In Journal of Physics: Conference Series (Vol. 1918, Issue 4). https://doi.org/10.1088/1742-6596/1918/4/042114
- Jitendra, A. K., Dougherty, B., Sanchez, V., Harwell, M. R., & Harbour, S. (2023). Building Conceptual Understanding of Multiplicative Reasoning Content in Third Graders Struggling to Learn Mathematics: A Feasibility Study. Learning Disabilities Research and Practice, 38(4), 285–295. https://doi.org/10.1111/ldrp.12322
- Lamon, S. J. (2012). Teaching Fractions and Ratios for Understanding Essential Content Knowledge and Instructional Strategies for Teacher. Routledge. https://doi.org/10.4324/9781410617132
- Langrall, C. W., & Swafford, J. (2000). Three balloons for two dollars: Developing proportional reasoning. Mathematics Teaching in The Middle School, 6(4), 254–261.
- Lundberg, A. L. V., & Kilhamn, C. (2018). Transposition of Knowledge: Encountering Proportionality in an Algebra Task. International Journal of Science and Mathematics Education, 16(3), 559–579. https://doi.org/10.1007/s10763-016-9781-3
- Ministry of Education and Culture. (2022). Capaian Pembelajaran Mata Pelajaran Matematika Fase A - Fase F.
- Misnasanti, Utami, R. W., & Suwanto, F. R. (2017). Problem based learning to improve proportional reasoning of students in mathematics learning. AIP Conference Proceedings, 1868. https://doi.org/10.1063/1.4995129
- Parameswari, P., Purwanto, P., Sudirman, S., & Susiswo, S. (2023). Correct-Incorrect Proportional Reasoning Strategies on the Proportional Problems and SOLO Taxonomy Correct-Incorrect Proportional Reasoning Strategies on the Proportional Problems and SOLO Taxonomy. Acta Scientiae, 25(5), 86–117. https://doi.org/10.17648/acta.scientiae.7465
- Pelen, M. S., & Artut, P. D. (2016). Seventh Grade Students’ Problem Solving Success Rates on Proportional Reasoning Problems. International Journal of Research in Education and Science, 2(1), 30–34. https://doi.org/10.21890/ijres.71245
- Prayitno, A., Rossa, A., & Widayanti, F. D. (2019). Level Penalaran Proporsional Siswa dalam Memecahkan Missing Value Problem. Jurnal Riset Pendidikan Matematika, 6(2), 177–187. https://doi.org/10.21831/jrpm.v6i2.19728
- Prayitno, A., Rossa, A., Widayanti, F. D., Rahayuningsih, S., Hamid, A., & Baidawi, M. (2018). Characteristics of Students’ Proportional Reasoning in Solving Missing Value Problem. Journal of Physics: Conference Series, 1114(1). https://doi.org/10.1088/1742-6596/1114/1/012021
- Proulx, J. (2023). Relative Proportional Reasoning: Transition from Additive to Multiplicative Thinking Through Qualitative and Quantitative Enmeshments. International Journal of Science and Mathematics Education, 22(2), 353–374. https://doi.org/10.1007/s10763-023-10373-y
- Putra, H. D. (2014). Tahap Perkembangan Kognitif Matematika Siswa MTs Asy Syifa Kelas IX Berdasarkan Teori Piaget. Prosiding Seminar Nasional Pendidikan Matematika STKIP Siliwangi, 2, 224–230.
- Rohaeti, E. E., Putra, H. D., & Primandhika, R. B. (2019). Mathematical understanding and reasoning abilities related to cognitive stage of senior high school students. Journal of Physics: Conference Series, 1318(1). https://doi.org/10.1088/1742-6596/1318/1/012099
- Sari, Y. M. (2023). Exploring students’ proportional reasoning in solving guided-unguided area conservation problem: A case of Indonesian students. Journal on Mathematics Education, 14(2), 375–394. https://doi.org/10.22342/JME.V14I2.PP375-394
- Sukirwan, Darhim, D., & Herman, T. (2018). Analysis of students’ mathematical reasoning. Journal of Physics: Conference Series, 948(1). https://doi.org/10.1088/1742-6596/948/1/012036
- Thomas, E., & Magilvy, J. K. (2011). Qualitative Rigor or Research Validity in Qualitative Research. Journal for Specialists in Pediatric Nursing, 16(2), 151–155. https://doi.org/10.1111/j.1744-6155.2011.00283.x
- Tunc, M. P. (2020). Investigation of Middle School Students’ Solution Strategies in Solving Proportional and Non-proportional Problems. Turkish Journal of Computer and Mathematics Education (TURCOMAT), 11(1), 1–14. https://doi.org/10.16949/turkbilmat.560349
- Van Dooren, W., De Bock, D., Hessels, A., Janssens, D., & Verschaffel, L. (2005). Not everything is proportional: Effects of age and problem type on propensities for overgeneralization. Cognition and Instruction, 23(1), 57–86. https://doi.org/10.1207/s1532690xci2301_3
- Vanluydt, E., Degrande, T., Verschaffel, L., & Van Dooren, W. (2020). Early stages of proportional reasoning: a cross-sectional study with 5- to 9-year-olds. European Journal of Psychology of Education, 35(3), 529–547. https://doi.org/10.1007/s10212-019-00434-8
- Vanluydt, E., Supply, A. S., Verschaffel, L., & Van Dooren, W. (2021). The importance of specific mathematical language for early proportional reasoning. Early Childhood Research Quarterly, 55, 193–200. https://doi.org/10.1016/j.ecresq.2020.12.003
- Venkat, H., & Mathews, C. (2018). Improving multiplicative reasoning in a context of low performance. ZDM - Mathematics Education, 51(1), 95–108. https://doi.org/10.1007/s11858-018-0969-6
- Wahyuningrum, A. S., Suryadi, D., & Turmudi, T. (2019). Learning Obstacles among Indonesian Eighth Graders on Ratio and Proportion. Journal of Physics: Conference Series, 1320(1). https://doi.org/10.1088/1742-6596/1320/1/012046
- Walle, J. A. Van de, Karp, K. S., & Bay-Williams, J. M. (2015). Elementary and Middle School Mathematics: Teaching Developmentally. Pearson Education Ltd.
- Wijayanti, D., & Winslow, C. (2017). Mathematical practice in textbooks analysis: Praxeological reference models, the case of proportion. Journal of Research in Mathematics Education, 6(3), 307–330. https://doi.org/10.17583/redimat.2017.2078
References
Arican, M. (2018). Preservice Mathematics Teachers’ Understanding of and Abilities to Differentiate Proportional Relationships from Nonproportional Relationships. International Journal of Science and Mathematics Education, 17(7), 1423–1443. https://doi.org/10.1007/s10763-018-9931-x
Arican, M. (2019a). A diagnostic assessment to middle school students’ proportional reasoning. Turkish Journal of Education, 8(4), 237–257. https://doi.org/10.19128/turje.522839
Arican, M. (2019b). Facilitating Pre-Service Mathematics Teachers’ Understanding of Directly and Inversely Proportional Relationships Using Hands-On and Real-World Problems. International Journal of Research in Education and Science (IJRES), 5(1), 102–117.
Artut, P. D., & Pelen, M. S. (2015). 6th Grade Students’ Solution Strategies on Proportional Reasoning Problems. Procedia - Social and Behavioral Sciences, 197(February), 113–119. https://doi.org/10.1016/j.sbspro.2015.07.066
Atabaş, Ş., & Öner, D. (2017). An Examination of Turkish Middle School Students ’ Proportional Reasoning. Boğaziçi University Journal of Education, 33(1), 63–85.
Avcu, R., & Dogan, M. (2014). What Are the Strategies Used by Seventh Grade Students While Solving Proportional Reasoning Problems? International Journal of Educational Studies in Mathematics, 1(2), 34–55. https://doi.org/10.17278/ijesim.2014.02.003
Ayan Civak, R., Işiksal Bostan, M., & Yemen Karpuzcu, S. (2022). Development of a Hypothetical Learning Trajectory for Enhancing Proportional Reasoning. Hacettepe Egitim Dergisi, 37(1), 345–365. https://doi.org/10.16986/HUJE.2020063485
Ayan, R., & Isiksal-Bostan, M. (2019). Middle school students’ proportional reasoning in real life contexts in the domain of geometry and measurement. International Journal of Mathematical Education in Science and Technology, 50(1), 65–81. https://doi.org/10.1080/0020739X.2018.1468042
Ben-Chaim, D., Keret, Y., & Ilany, B.-S. (2012). Ratio and Proportion Research and Teaching in Mathematics Teacher’s Education (Pre-and In-Service Mathematics Teachers of Elementary and Middle School Classes). Sense Publishers.
Bintara, I. A., & Suhendra. (2021). Analysis toward learning obstacles of junior high school students on the topic of direct and inverse proportion. Journal of Physics: Conference Series, 1882(1), 0–7. https://doi.org/10.1088/1742-6596/1882/1/012083
Boyer, T. W., & Levine, S. C. (2015). Prompting children to reason proportionally: Processing discrete units as continuous amounts. Developmental Psychology, 51(5), 615–620. https://doi.org/10.1037/a0039010
Burgos, M., & Godino, J. D. (2020). Prospective Primary School Teachers’ Competence for Analysing the Difficulties in Solving Proportionality Problem. Mathematics Education Research Journal, 34(2), 269–291. https://doi.org/10.1007/s13394-020-00344-9
Carney, M. B., Smith, E., Hughes, G. R., Brendefur, J. L., & Crawford, A. (2016). Influence of proportional number relationships on item accessibility and students’ strategies. Mathematics Education Research Journal, 28(4), 503–522. https://doi.org/10.1007/s13394-016-0177-z
Crowe, S., Cresswell, K., Robertson, A., Huby, G., Avery, A., & Sheikh, A. (2011). The case study approach. BMC Medical Research Methodology, 11(1), 100. https://doi.org/10.1186/1471-2288-11-100
D’Angela Menduni-Bortoloti, R., & Barbosa, J. C. (2017). A Construção de uma Matemática para o Ensino do Conceito de Proporcionalidade Direta a partir de uma Revisão Sistemática de Literatura. Bolema - Mathematics Education Bulletin, 31(59), 947–967. https://doi.org/10.1590/1980-4415v31n59a05
Dole, S., Hilton, A., & Hilton, G. (2015). Proportional Reasoning as Essential Numeracy. Mathematics Education in the Margins (Proceedings of the 38th Annual Conference of the Mathematics Education Research Group of Australasia), 189–196.
Doyle, K. M., Dias, O., Kennis, J. R., Czarnocha, B., & Baker, W. (2015). The rational number sub-constructs as a foundation for problem solving. Adults Learning Mathematics: An International Journal, 11(1), 21–42. https://eric.ed.gov/?id=EJ1091996
Feagin, J. R., Orum, A. M., & Sjoberg, G. (2016). A case for the case study. UNC Press Book. https://uncpress.org/book/9780807843215/a-case-for-the-case-study/
Gea, M. M., Hernández-Solís, L. A., Batanero, C., & Álvarez-Arroyo, R. (2023). Relating students’ proportional reasoning level and their understanding of fair games. Journal on Mathematics Education, 14(4), 663–682. https://doi.org/10.22342/jme.v14i4.pp663-682
Gundogdu, N. S., & Tunc, M. P. (2022). Improving Middle School Students ’ Proportional Reasoning Through STEM Activities. Journal of Pedagogical Research, 6(2), 164–185.
Hilton, A., Hilton, G., Dole, S., & Goos, M. (2016). Promoting middle school students’ proportional reasoning skills through an ongoing professional development programme for teachers. Educational Studies in Mathematics, 92(2), 193–219. https://doi.org/10.1007/s10649-016-9694-7
Hjelte, A., Schindler, M., & Nilsson, P. (2020). Kinds of mathematical reasoning addressed in empirical research in mathematics education: A systematic review. Education Sciences, 10(289), 1–15. https://doi.org/10.3390/educsci10100289
Irfan, M., Nusantara, T., Subanji, S., & Sisworo, S. (2018). Why Did the Students Make Mistakes in Solving Direct and Inverse Proportion Problem ? International Journal of Insights for Mathematics Teaching, 1(1), 25–34.
Irfan, M., Nusantara, T., Subanji, S., & Sisworo, S. (2019). Direct proportion or inverse proportion? The occurrence of student thinking interference. International Journal of Scientific and Technology Research, 8(7), 587–590.
Izsák, A., & Jacobson, E. (2017). Preservice teachers’ reasoning about relationships that are and are not proportional: A knowledge-in-pieces account. Journal for Research in Mathematics Education, 48(3), 300–339. https://doi.org/10.5951/jresematheduc.48.3.0300
Izzatin, M. (2021). Students’ proportional reasoning in solving non-routine problems based on mathematical disposition. In Journal of Physics: Conference Series (Vol. 1918, Issue 4). https://doi.org/10.1088/1742-6596/1918/4/042114
Jitendra, A. K., Dougherty, B., Sanchez, V., Harwell, M. R., & Harbour, S. (2023). Building Conceptual Understanding of Multiplicative Reasoning Content in Third Graders Struggling to Learn Mathematics: A Feasibility Study. Learning Disabilities Research and Practice, 38(4), 285–295. https://doi.org/10.1111/ldrp.12322
Lamon, S. J. (2012). Teaching Fractions and Ratios for Understanding Essential Content Knowledge and Instructional Strategies for Teacher. Routledge. https://doi.org/10.4324/9781410617132
Langrall, C. W., & Swafford, J. (2000). Three balloons for two dollars: Developing proportional reasoning. Mathematics Teaching in The Middle School, 6(4), 254–261.
Lundberg, A. L. V., & Kilhamn, C. (2018). Transposition of Knowledge: Encountering Proportionality in an Algebra Task. International Journal of Science and Mathematics Education, 16(3), 559–579. https://doi.org/10.1007/s10763-016-9781-3
Ministry of Education and Culture. (2022). Capaian Pembelajaran Mata Pelajaran Matematika Fase A - Fase F.
Misnasanti, Utami, R. W., & Suwanto, F. R. (2017). Problem based learning to improve proportional reasoning of students in mathematics learning. AIP Conference Proceedings, 1868. https://doi.org/10.1063/1.4995129
Parameswari, P., Purwanto, P., Sudirman, S., & Susiswo, S. (2023). Correct-Incorrect Proportional Reasoning Strategies on the Proportional Problems and SOLO Taxonomy Correct-Incorrect Proportional Reasoning Strategies on the Proportional Problems and SOLO Taxonomy. Acta Scientiae, 25(5), 86–117. https://doi.org/10.17648/acta.scientiae.7465
Pelen, M. S., & Artut, P. D. (2016). Seventh Grade Students’ Problem Solving Success Rates on Proportional Reasoning Problems. International Journal of Research in Education and Science, 2(1), 30–34. https://doi.org/10.21890/ijres.71245
Prayitno, A., Rossa, A., & Widayanti, F. D. (2019). Level Penalaran Proporsional Siswa dalam Memecahkan Missing Value Problem. Jurnal Riset Pendidikan Matematika, 6(2), 177–187. https://doi.org/10.21831/jrpm.v6i2.19728
Prayitno, A., Rossa, A., Widayanti, F. D., Rahayuningsih, S., Hamid, A., & Baidawi, M. (2018). Characteristics of Students’ Proportional Reasoning in Solving Missing Value Problem. Journal of Physics: Conference Series, 1114(1). https://doi.org/10.1088/1742-6596/1114/1/012021
Proulx, J. (2023). Relative Proportional Reasoning: Transition from Additive to Multiplicative Thinking Through Qualitative and Quantitative Enmeshments. International Journal of Science and Mathematics Education, 22(2), 353–374. https://doi.org/10.1007/s10763-023-10373-y
Putra, H. D. (2014). Tahap Perkembangan Kognitif Matematika Siswa MTs Asy Syifa Kelas IX Berdasarkan Teori Piaget. Prosiding Seminar Nasional Pendidikan Matematika STKIP Siliwangi, 2, 224–230.
Rohaeti, E. E., Putra, H. D., & Primandhika, R. B. (2019). Mathematical understanding and reasoning abilities related to cognitive stage of senior high school students. Journal of Physics: Conference Series, 1318(1). https://doi.org/10.1088/1742-6596/1318/1/012099
Sari, Y. M. (2023). Exploring students’ proportional reasoning in solving guided-unguided area conservation problem: A case of Indonesian students. Journal on Mathematics Education, 14(2), 375–394. https://doi.org/10.22342/JME.V14I2.PP375-394
Sukirwan, Darhim, D., & Herman, T. (2018). Analysis of students’ mathematical reasoning. Journal of Physics: Conference Series, 948(1). https://doi.org/10.1088/1742-6596/948/1/012036
Thomas, E., & Magilvy, J. K. (2011). Qualitative Rigor or Research Validity in Qualitative Research. Journal for Specialists in Pediatric Nursing, 16(2), 151–155. https://doi.org/10.1111/j.1744-6155.2011.00283.x
Tunc, M. P. (2020). Investigation of Middle School Students’ Solution Strategies in Solving Proportional and Non-proportional Problems. Turkish Journal of Computer and Mathematics Education (TURCOMAT), 11(1), 1–14. https://doi.org/10.16949/turkbilmat.560349
Van Dooren, W., De Bock, D., Hessels, A., Janssens, D., & Verschaffel, L. (2005). Not everything is proportional: Effects of age and problem type on propensities for overgeneralization. Cognition and Instruction, 23(1), 57–86. https://doi.org/10.1207/s1532690xci2301_3
Vanluydt, E., Degrande, T., Verschaffel, L., & Van Dooren, W. (2020). Early stages of proportional reasoning: a cross-sectional study with 5- to 9-year-olds. European Journal of Psychology of Education, 35(3), 529–547. https://doi.org/10.1007/s10212-019-00434-8
Vanluydt, E., Supply, A. S., Verschaffel, L., & Van Dooren, W. (2021). The importance of specific mathematical language for early proportional reasoning. Early Childhood Research Quarterly, 55, 193–200. https://doi.org/10.1016/j.ecresq.2020.12.003
Venkat, H., & Mathews, C. (2018). Improving multiplicative reasoning in a context of low performance. ZDM - Mathematics Education, 51(1), 95–108. https://doi.org/10.1007/s11858-018-0969-6
Wahyuningrum, A. S., Suryadi, D., & Turmudi, T. (2019). Learning Obstacles among Indonesian Eighth Graders on Ratio and Proportion. Journal of Physics: Conference Series, 1320(1). https://doi.org/10.1088/1742-6596/1320/1/012046
Walle, J. A. Van de, Karp, K. S., & Bay-Williams, J. M. (2015). Elementary and Middle School Mathematics: Teaching Developmentally. Pearson Education Ltd.
Wijayanti, D., & Winslow, C. (2017). Mathematical practice in textbooks analysis: Praxeological reference models, the case of proportion. Journal of Research in Mathematics Education, 6(3), 307–330. https://doi.org/10.17583/redimat.2017.2078