IMPROVEMENT OF STUDENT LEARNING OUTCOMES THROUGH THE IMPLEMENTATION OF DIFFERENTIATED PROBLEM BASED LEARNING (PBL) MODEL IN GRADE VII SMP N 2 WERU. jsoscied [Internet]. 2025 Nov. 13 [cited 2026 Apr. 16];8(2):506-13. Available from: https://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/964