Meriza, Dyna, Cecil Hiltrimartin, and Yusuf Hartono. “Development of Problem Based Differentiated Learning Comparison Materials in Junior High School”. Jurnal Pendidikan Matematika 18, no. 3 (September 4, 2024): 447–468. Accessed October 5, 2024. https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/49.