“The Effect of Differentiated Learning Using the PBL Model on students’ Ability to Understand Mathematical Concepts”. Jurnal Pengembangan Pembelajaran Matematika (JPPM) 6, no. 2 (August 31, 2024): 134–146. Accessed February 3, 2026. https://ejournal.uin-suka.ac.id/tarbiyah/jppm/article/view/8838.