Islam, Md. Rafiqul, Harihodin Selamat, and Mohd. Noor Md. Sap. “A Binary Access Control Scheme With Logical and Physical Keys”. Malaysian Journal of Computer Science 14, no. 2 (December 1, 2001): 38–46. Accessed July 1, 2024. https://adum.um.edu.my/index.php/MJCS/article/view/5859.