On Interval Valued Fuzzy Bi-interior Ideals in Semigroups. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 1, p. 121–130, 2023. DOI: 10.29020/nybg.ejpam.v16i1.4616. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4616.. Acesso em: 27 may. 2024.