BERHANU ASSAYE ALABA; DEREBEW NIGUSSIE DERSO. Quotient Heyting Algebras Via Fuzzy Congruence Relations. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 2 - C, p. 371–378, 2017. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/830. Acesso em: 18 dec. 2025.