Rahmatullah R, Tamami F, Jatmika S, Ibrahim I. The Effect of Android-Based Contextual Teaching Materials on Students’ Physics Problem-Solving Skills. J. Pendidik. Fis. Teknol. [Internet]. 2022 May 22 [cited 2024 Apr. 27];8(1):23-9. Available from: https://jurnalfkip.unram.ac.id/index.php/JPFT/article/view/3214