MANIK, I. K. Penerapan Model Pembelajaran Problem Solving Sebagai Upaya Meningkatkan Prestasi Belajar Matematika. Journal of Education Action Research, [S. l.], v. 4, n. 2, p. 153–163, 2020. DOI: 10.23887/jear.v4i2.24805. Disponível em: https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/24805. Acesso em: 30 nov. 2024.