Implicative Negatively Partially Ordered Ternary Semigroups. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 17, n. 4, p. 4180–4194, 2024. DOI: 10.29020/nybg.ejpam.v17i4.5511. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/5511. Acesso em: 3 apr. 2025.