P.M.SITHAR SELVAM , T.PRIYA , M.PARIMALA. Doubt Q-fuzzy Z- ideals in Z-algebras . International Journal of Modern Agriculture, [S. l.], v. 9, n. 4, p. 694 -700, 2020. Disponível em: http://www.modern-journals.com/index.php/ijma/article/view/411. Acesso em: 5 may. 2024.