Ramadha, Iis Eka, and Anggun Zuhaida. “Peningkatan Hasil Belajar IPA Melalui Model Pembelajaran Problem Based Learning Dengan Media Flash Card”. Journal of Classroom Action Research 3, no. 2 (August 31, 2021). Accessed May 18, 2024. https://jppipa.unram.ac.id/index.php/jcar/article/view/834.