Irawati, Een, Mustika Wati, Yasmine Khairunnisa, Saiyidah Mahtari, and Maria Ulfah. 2025. “The Role of Problem-Based Learning Model in Enhancing Students’ Motivation and Physics Academic Achievement”. KnE Social Sciences 10 (11):39-54. https://doi.org/10.18502/kss.v10i11.18731.