1.
Gusman HB, Rachmawati RC, Ulfah M, Priyatna RE. The effectiveness of Problem-Based Learning (PBL) model in increasing students’ cognitive outcomes and learning motivation in Environmental Change Material. mangiferaedu [Internet]. 2023Aug.13 [cited 2024Oct.18];8(1):32-9. Available from: https://jurnal.biounwir.ac.id/index.php/mangiferaedu/article/view/172