“PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING DALAM MENINGKATKAN MOTIVASI DAN HASIL BELAJAR BIOLOGI”, psnppg, vol. 1, no. 2, pp. 3752–3757, Nov. 2023, Accessed: Aug. 11, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/5706