Abd Hamid, Haliza, and Noraini Idris. “STUDENTS’ VISUAL REASONING OF THE CONNECTION BETWEEN FUNCTION AND ITS DERIVATIVE : A GRAPHICAL APPROACH (39 - 48)”. Jurnal Pendidikan Sains dan Matematik Malaysia 4, no. 2 (April 27, 2019): 39–48. Accessed November 24, 2024. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/2133.