“THE EFFECT OF MODEL PROBLEM BASED LEARNING ON LEARNING OUTCOMES OF STUDENT IN GRADE VII AT SMPN 7 SIJUNJUNG”. Universe 6, no. 2 (Desember 9, 2025): 148–152. Diakses Oktober 17, 2026. https://universe.ppj.unp.ac.id/index.php/universe/article/view/811.