WIDARSA, I. W. PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN PRESTASI BELAJAR MATEMATIKA. Indonesian Journal of Educational Research and Review, [S. l.], v. 2, n. 3, p. 332–337, 2019. DOI: 10.23887/ijerr.v2i3.21816. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJERR/article/view/21816. Acesso em: 30 nov. 2024.