Maria Goreti Halim. “SYSTEMATIC LITERATURE REVIEW: WHAT DO THE STUDIES REVEAL ABOUT PROBLEM-BASED LEARNING IN PHYSICS EDUCATION?”. PUPIL: International Journal of Teaching, Education and Learning (August 21, 2025): 447–448. Accessed February 4, 2026. https://mail.grdspublishing.org/index.php/PUPIL/article/view/2852.