Kusuma, Mutri, and Rinja Efendi. 2026. “THE IMPLEMENTATION OF THE PROBLEM-BASED LEARNING (PBL) MODEL TO IMPROVE STUDENTS’ LEARNING OUTCOMES ON THE CONTINENT TOPIC IN GRADE VI OF SD NEGERI 007 BANGUN PURBA”. Perspektif Ilmu Pendidikan 40 (1):1-8. https://doi.org/10.21009/PIP.401.1.