FATKHURROHMAN. Peningkatan Prestasi Belajar Matematika dengan Problem Based Learning. Journal of Nusantara Education, [S. l.], v. 2, n. 2, p. 64–72, 2023. DOI: 10.57176/jn.v2i2.55. Disponível em: https://journal.unu-jogja.ac.id/fip/index.php/JONED/article/view/55. Acesso em: 22 dec. 2024.