DR. V.S. SUBHA. ROUGH QUASI-IDEALS IN REGULAR SEMI RINGS. International Journal for Research Publication and Seminar, [S. l.], v. 6, n. 1, p. 54–61, 2015. Disponível em: https://jrps.shodhsagar.com/index.php/j/article/view/76. Acesso em: 22 nov. 2024.