Semihollow-Lifting Modules and Projectivity. Baghdad Science Journal, Iraq, Baghdad, v. 19, n. 4, p. 0811, 2022. DOI: 10.21123/bsj.2022.19.4.0811. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3313.. Acesso em: 4 may. 2024.