Gondi Abd Elrazig Said Mohammed, and Amin Babiker Abd Elnabi. “Wi-Fi IEEE 802.11 Ac Vs. IEEE 802.11 Ad (Comparative Study)”. Technology Horizon Journal (ISSN: 1858-6368), vol. 2, no. 4, Mar. 2018, pp. 70-72, http://thj.fu.edu.sd/index.php/thj/article/view/24.