MARDIYANTI, Haryani Sri. Penerapan Model Pembelajaran Problem Based Learning Untuk Meningkatkan Kemampuan Berpikir Kritis Siswa Kelas X MIPA-2. Journal of Classroom Action Research, [S. l.], v. 2, n. 1, p. 1–8, 2020. DOI: 10.29303/jcar.v2i1.395. Disponível em: https://jppipa.unram.ac.id/index.php/jcar/article/view/395. Acesso em: 6 may. 2024.