PUSPITASARI, Regita; FARIDAH, Tsana Nur; RUSTINI, Tin. The Importance Of Problem Based Learning Model In Improving Students’ Understanding Of Natural Appearances Material. Social Sciences Journal, [S. l.], v. 1, n. 1, p. 15 – 18, 2024. DOI: 10.70963/soc.v1i1.90. Disponível em: https://jurnal.utami.id/index.php/SOC/article/view/90. Acesso em: 12 may. 2026.