LESTARI, H. .; FAUZIAH, A.; AMALIYAH, P. PROBLEM BASED LEARNING (PBL) MODEL TO IMPROVE STUDENTS’ UNDERSTANDING OF SCIENCE CONCEPTS IN GRADE IV. JURNAL KAJIAN ISLAM MODERN, [S. l.], v. 11, n. 2, p. 1–10, 2024. DOI: 10.56406/jkim.v11i01.496. Disponível em: http://jurnal-inais.id/index.php/JKIM/article/view/496. Acesso em: 18 oct. 2025.