ANALISIS KEBUTUHAN LKPD BERBASIS PROBLEM BASED LEARNING (PBL) TENTANG MATERI PERUBAHAN LINGKUNGAN DI MAN 1 PASAMAN BARAT. BIOCHEPHY:JSE. 2025;5(2):844-849. Accessed September 11, 2026. https://www.journal.moripublishing.com/index.php/biochephy/article/view/1718