AL-MOTHAFAR, Nuhad S.; HUMOD, Ghaleb A. 2-Regular Modules. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 28, n. 2, p. 184–192, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/223.. Acesso em: 27 jul. 2024.