Nureni, A., O. Okunoye, F. Oladeji, and O. Vaughan. “EMPIRICAL EVALUATION OF ROLE-BASED ACCESS CONTROL AND BELL- LA PADULA CONFIDENTIALITY SECURITY MODELS”. LAUTECH Journal of Engineering and Technology, Vol. 8, no. 2, Aug. 2014, pp. 84-93, https://laujet.com/index.php/laujet/article/view/135.