Mohamed Sunar, Mohd Shahir, and Ahmad Jelani Shaari. “Keberkesanan Kaedah PBL via Facebook Dalam Kalangan Pelajar Pra-Universiti: The Effectiveness of PBL via Facebook Methods Among Pre-University Students”. Jurnal Pendidikan Sains dan Matematik Malaysia 7, no. 2 (December 15, 2017): 52–71. Accessed November 24, 2024. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/2183.