Al Ayubi, Sholahudin. “Improving Students Activity and Students Mathematic Learning Outcomes by Using Constructivism Learning Approach”. Jurnal Axioma : Jurnal Matematika dan Pembelajaran 3, no. 1 (January 28, 2018): 1–11. Accessed November 22, 2024. https://ejurnal.uij.ac.id/index.php/AXI/article/view/305.