Lai , Kian Hua, Mohd. Zaki Ishak, and Christina Peter Ligadu. “Experience of Students in Problem-Based Learning for Science in A Sabah Secondary School: Preliminary Finding for A Case Study ”. Jurnal Pendidikan Bitara UPSI 16 (July 26, 2023): 123–135. Accessed December 5, 2025. https://ejournal.upsi.edu.my/index.php/JPB/article/view/8312.