Sutrio S, Busyairi A, Doyan A, Kosim K, Hikmawati H. The Effectiveness of the Problem Based Flipped Classroom Model with E-Modules in Improving Critical Thinking Skills of Pre-Service Physics Teachers . J. Pendidik. Fis. Teknol. [Internet]. 2023 Dec. 13 [cited 2024 May 15];9(2):274-83. Available from: https://jurnalfkip.unram.ac.id/index.php/JPFT/article/view/5826