Zakaria, Mohamad Ikram, Mohd Fadzil Abdul Hanid, and Roslizam Hassan. “Combination of M-Learning With Problem Based Learning: Teaching Activities for Mathematics Teachers”. International Journal of Interactive Mobile Technologies (iJIM) 17, no. 09 (May 10, 2023): pp. 4–19. Accessed September 27, 2024. https://online-journals.org/index.php/i-jim/article/view/38663.