Azzahra, Hela, Putri Yuanita, dan Armis Armis. “Development of Teaching Modules Based on Problem Based Learning to Facilitate Mathematical Representation Ability of Phase E”. Math Didactic: Jurnal Pendidikan Matematika 10, no. 1 (April 30, 2024): 102-113. Diakses Juli 6, 2025. https://jurnal.stkipbjm.ac.id/index.php/math/article/view/2637.