T. Faraj , Sufyan, and Media Abdul Razak Al. “Design and Implementation of SET-Enabled E-Commerce System”. Journal of Engineering and Sustainable Development 12, no. 2 (June 1, 2008): 31–49. Accessed May 12, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1662.