Napitupulu, Prasita Manginar Tesalonika, and Friska Ledina Situngkir. “Transforming Mathematical Representations: A Process-Based Analysis of Junior High School students’ Problem Solving”. Eduvista: Journal of Education and Innovation 1, no. 1 (July 5, 2026): 43–56. Accessed July 24, 2026. https://perfidiajournal.com/index.php/eduvista/article/view/16.