Hamid N, Dasna IW, Habiddin H. Kajian Literatur: Implementasi Problem Based Learning (PBL) Dalam Pembelajaran Kimia. HJKK [Internet]. 2022 Dec. 22 [cited 2025 Aug. 16];10(2):209-23. Available from: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/5873-20330