ONONIWU AKANWA, Allwell; E. EJIOFOR, Virginia. Enhanced Security Model for Information and Online Transaction Processing System Using Mandatory Access Control (MAC) Mechanism. International Journal of Computer Sciences and Engineering, [S. l.], v. 9, n. 5, p. 22–30, 2021. DOI: 10.26438/ijcse/v9i5.2230. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/6278. Acesso em: 1 feb. 2026.