Mujib, Mujib. “The Analysis of Students Problem Solving Ability By Using PISA Questions Based Islamic Through Enrichment Activities”. Jurnal Axioma : Jurnal Matematika dan Pembelajaran 4, no. 2 (July 28, 2019): 130–138. Accessed May 27, 2024. https://ejurnal.uij.ac.id/index.php/AXI/article/view/460.