Jalinus N, Syahril S, Nabawi & RA. A Comparison of the Problem-Solving Skills of Students in PJBL Versus CPJBL Model: An Experimental Study. jtet. 2019;11(1). Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/3154