PENERAPAN MODEL PEMBELAJARAN PROBLEM-BASED LEARNING TERHADAP KETERAMPILAN BERPIKIR KRITIS TENTANG MATERI PERUBAHAN LINGKUNGAN UNTUK PESERTA DIDIK KELAS XI IPA SMA. BIOCHEPHY: Journal of Science Education, [S. l.], v. 3, n. 1, p. 1–9, 2023. DOI: 10.52562/biochephy.v3i1.521. Disponível em: https://www.staging-journal.moripublishing.com/index.php/biochephy/article/view/521. Acesso em: 11 jul. 2026.