Ghufran, Zaki. “Improving Students Activity and Students Mathematic Learning Outcomes by Using Contextual Teaching and Learning”. Jurnal Axioma : Jurnal Matematika dan Pembelajaran 1, no. 2 (December 31, 2020): 166–174. Accessed April 29, 2024. https://ejurnal.uij.ac.id/index.php/AXI/article/view/277.