HAIBAT K. MOHAMMADALI; YOKCELL A.SADIQ. Strongly-Pseudo-Extending Modules and SPmodules. مجلة الفتح للبحوث التربوية والنفسية, [S. l.], v. 12, n. 5, p. 242–253, 2023. Disponível em: https://alfatehjournal.uodiyala.edu.iq/index.php/jfath/article/view/1454. Acesso em: 23 2025.