Ina’s Y, Marzuki I, Alfiansyah I. IMPLEMENTATION OF PROBLEM BASED LEARNING MODEL ON LEARNING OUTCOMES OF COOPERATION MATERIALS IN CLASS III DIVERSITY AT MINU BANAT MANYAR (STUDY EX POST FACTO). UMGESHIC [Internet]. 2021 Dec. 21 [cited 2025 Jun. 6];1(2):63-75. Available from: https://journal.umg.ac.id/index.php/umgeshic/article/view/3369