Su Ling, Loh, Vincent Pang, and Denis Lajium. “A Case Study of teachers’ Pedagogical Content Knowledge in the Implementation of Integrated STEM Education”. Jurnal Pendidikan Sains dan Matematik Malaysia 10, no. 1 (June 25, 2020): 49–64. Accessed April 25, 2024. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/2657.