USMAN, Agustian; ZAKARIA, Perry; PAUWENI, Khardiyawan A.Y. Peningkatan Penalaran Matematika melalui Problem Based Learning pada Materi Relasi dan Fungsi. Research in the Mathematical and Natural Sciences, [S. l.], v. 4, n. 2, p. 121–125, 2025. DOI: 10.55657/rmns.v4i2.269. Disponível em: https://journal.scimadly.com/index.php/rmns/article/view/269. Acesso em: 7 dec. 2025.