ANALISIS KEBUTUHAN LKPD BERBASIS PROBLEM BASED LEARNING (PBL) TENTANG MATERI PERUBAHAN LINGKUNGAN DI MAN 1 PASAMAN BARAT. BIOCHEPHY: Journal of Science Education, [S. l.], v. 5, n. 2, p. 844–849, 2025. Disponível em: https://www.journal.moripublishing.com/index.php/biochephy/article/view/1718. Acesso em: 10 nov. 2026.