SUARNI, D. A. K. PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN PRESTASI BELAJAR IPS. Jurnal Ilmiah Sekolah Dasar, [S. l.], v. 1, n. 3, p. 206–214, 2017. DOI: 10.23887/jisd.v1i3.11997. Disponível em: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/11997. Acesso em: 3 may. 2024.