Positive Implicative Makgeolli Ideals of BCK-algebras. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 4, p. 1498–1511, 2022. DOI: 10.29020/nybg.ejpam.v15i4.4522. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4522.. Acesso em: 3 may. 2024.