ELWakiel, Mohamed, Hesham ELBadawy, and Hadia Elhennawy. “Design of Quality of Service Parameters for Voice over Long Term Evolution ”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 28, no. 2 (July 7, 2016): 107–125. Accessed April 3, 2026. https://gssrr.org/JournalOfBasicAndApplied/article/view/5959.