SINAGA, D. Y.; SIDABUTAR, R. . PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA . Jurnal Ilmiah Aquinas, [S. l.], v. 5, n. 2, p. 332–339, 2022. DOI: 10.54367/aquinas.v5i2.1993. Disponível em: https://ejournal.ust.ac.id/index.php/Aquinas/article/view/1993. Acesso em: 24 apr. 2024.