KARTINI, P. N. Penerapan Model Pembelajaran Problem Based Learning Sebagai Upaya Meningkatkan Prestasi Belajar Matematika. Jurnal Ilmiah Pendidikan Profesi Guru, [S. l.], v. 3, n. 2, p. 339–346, 2020. DOI: 10.23887/jippg.v3i2.29066. Disponível em: https://ejournal.undiksha.ac.id./index.php/JIPPG/article/view/29066. Acesso em: 30 dec. 2024.