ANDIKA, D.; KOESWANTI, H. D. PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA. Jurnal Holistika, [S. l.], v. 3, n. 1, p. 23–28, 2019. DOI: 10.24853/holistika.3.1.23-28. Disponível em: https://jurnal.umj.ac.id/index.php/holistika/article/view/5341. Acesso em: 1 aug. 2025.