Javed, Yasir, Adnan Shahid Khan, Abdul Qahar, and Johari Abdullah. “EEoP: A Lightweight Security Scheme over PKI in D2D Cellular Networks”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9, no. 3-11 (December 7, 2017): 99–105. Accessed April 19, 2024. https://jtec.utem.edu.my/jtec/article/view/3191.