On Varieties of Pseudo Hyper GR-ideals of Pseudo Hyper GR-algebras. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 12, n. 3, p. 821–833, 2019. DOI: 10.29020/nybg.ejpam.v12i3.3431. Disponível em: https://ejpam.com/index.php/ejpam/article/view/3431.. Acesso em: 2 may. 2024.