Abd Hamid, H., & Idris, N. (2019). STUDENTS’ VISUAL REASONING OF THE CONNECTION BETWEEN FUNCTION AND ITS DERIVATIVE : A GRAPHICAL APPROACH (39 - 48). Jurnal Pendidikan Sains Dan Matematik Malaysia, 4(2), 39–48. Retrieved from https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/2133