Khattab, Omar. “Vertical Handover Study on 4G Category Vs 5G Category for 3GPP Generation Mobile Systems and Non-3GPP Wireless Networks”. Discoveries in Agriculture and Food Sciences 6, no. 2 (May 3, 2018): 01. Accessed September 29, 2024. http://116.203.177.230/index.php/TNC/article/view/4353.