SHAHAD, Haithab A.; AL-MOTHAFAR, Nuhad Salim. On P-Essential Submodules. Iraqi Journal of Science, [S. l.], v. 62, n. 12, p. 4916–4922, 2021. DOI: 10.24996/ijs.2021.62.12.29. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4027.. Acesso em: 8 dec. 2025.