Kuncoro, K. S., D. Suryadi, J. A. Dahlan, and A. Jupri. “Praxeological Analysis in Indonesian and Singaporean Mathematics Textbooks: An Understanding Geometrical Similarity by Students”. Journal on Mathematics Education, vol. 15, no. 4, Nov. 2024, pp. 1197-18, doi:10.22342/jme.v15i4.pp1197-1218.