NALOWATI E. MENINGKATKAN KEAKTIFAN DAN HASIL BELAJAR KIMIA MELALUI METODA PEMBELAJARAN PROBLEM BASED LEARNING PADA PESERTA DIDIK . TEACHER [Internet]. 2022Apr.18 [cited 2026Mar.25];2(1):58-64. Available from: https://www.jurnalp4i.com/index.php/teacher/article/view/1110