MARDIANI , Dian. Modul dan Keujudan Basis pada Modul Bebas. Mosharafa: Jurnal Pendidikan Matematika, [S. l.], v. 5, n. 3, p. 195–204, 2016. DOI: 10.31980/mosharafa.v5i3.407. Disponível em: https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/407. Acesso em: 21 aug. 2025.