Almost Bi-interior Ideal in Semigroups and Their Fuzzifications. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 1, p. 281–289, 2022. DOI: 10.29020/nybg.ejpam.v15i1.4279. Disponível em: https://www.ejpam.com/ejpam/article/view/4279. Acesso em: 23 feb. 2026.