1.
Perwithasari NMN, Sutrio, Harjono A. The Effect of Problem-Based Learning Model Assisted by Contextual Videos on Students’ Learning Outcomes in The Subject of Sound Waves. J. Pendidik. Fis. Teknol. [Internet]. 2023 Dec. 13 [cited 2024 May 9];9(2):216-23. Available from: https://jurnalfkip.unram.ac.id/index.php/JPFT/article/view/5269