1.
Kusuma M, Efendi R. 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. PIP [Internet]. 2026 Mar. 6 [cited 2026 May 28];40(1):1-8. Available from: https://journal.unj.ac.id/unj/index.php/pip/article/view/60765