NUARI, L. F.; PRAHMANA, R. C. I.; FATMAWATI, I. Learning of division operation for mental retardations’ student through math gasing. Journal on Mathematics Education, [S. l.], v. 10, n. 1, p. 127–142, 2019. Disponível em: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3782. Acesso em: 8 jul. 2025.