“ANALISIS KEBUTUHAN LKPD BERBASIS PROBLEM BASED LEARNING (PBL) TENTANG MATERI PERUBAHAN LINGKUNGAN DI MAN 1 PASAMAN BARAT”. BIOCHEPHY: Journal of Science Education 5, no. 2 (December 1, 2025): 844–849. Accessed September 9, 2026. https://www.journal.moripublishing.com/index.php/biochephy/article/view/1718.