S. Hadi A, Ali Salman Z, M. Mohammed S. Design and Simulation of Secure Communication System. J. eng. sustain. dev. [Internet]. 2014 Jul. 1 [cited 2025 Apr. 19];18(4):155-61. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/846