HARTATI, R. PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) DALAM PEMBELAJARAN IPS DI SEKOLAH. Pendidikan Bahasa Indonesia dan Sastra (Pendistra), [S. l.], v. 4, n. 1, p. 1–12, 2021. Disponível em: https://ejournal.ust.ac.id/index.php/PENDISTRA/article/view/1334. Acesso em: 6 may. 2024.