Apsari, Ratih Ayu, Ratu Ilma Indra Putri, Sariyasa, Mieke Abels, and Sudi Prayitno. “Geometry Representation to Develop Algebraic Thinking: A Recommendation for a Pattern Investigation in Pre-Algebra Class”. Journal on Mathematics Education 11, no. 1 (January 2, 2020): 45–58. Accessed July 9, 2025. https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3808.