Mariana, Yuliana, and Siti Maesyaroh. “PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA MATERI HIDROKARBON DALAM MENINGKATKAN HASIL BELAJAR KOGNITIF PESERTA DIDIK”. Arfak Chem: Chemistry Education Journal 4, no. 1 (May 8, 2021): 281–288. Accessed January 19, 2026. https://journalfkipunipa.org/index.php/accej/article/view/313.