On Essential (Complement) Submodules with Respect to an Arbitrary Submodule. Iraqi Journal of Science, [S. l.], v. 59, n. 2B, p. 904–908, 2018. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/310.. Acesso em: 4 may. 2024.