Shahrul, Qamarina Dayana, Nurihan Nasir, and Didi Suryadi. “Analysis of Form Two Mathematics Textbook Content for Functional Graph Topic Using the Praxeology Method”. Jurnal Pendidikan Sains dan Matematik Malaysia 14, no. 2 (September 4, 2024): 99–122. Accessed September 27, 2024. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/9612.