π-Projective Semimodule Over Semiring. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, [S. l.], v. 28, n. 1, p. 122–137, 2020. Disponível em: https://journalofbabylon.com/index.php/JUBPAS/article/view/2961. Acesso em: 19 apr. 2025.