Su Ling L, Pang V, Lajium D. A Case study of teachers’ pedagogical content knowledge in the implementation of integrated STEM education. JPSMM [Internet]. 2020 Jun. 25 [cited 2024 May 5];10(1):49-64. Available from: https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/2657