ALNAJIM, Alaa abdullhusein. Journal staff. Journal of Kufa for Mathematics and Computer, Kufa, Najaf, IRAQ, v. 5, n. 1, 2018. Disponível em: https://journal.uokufa.edu.iq/index.php/jkmc/article/view/2098. Acesso em: 26 apr. 2026.