A. SALIH, Y. On Equivalence Relation in Factor Algebras. Journal of Education and Science (JES), [S. l.], v. 26, n. 4, p. 107–111, 2013. DOI: 10.33899/edusj.2013.89983. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23604. Acesso em: 6 aug. 2025.