Ominike, Akpovi, Jonah Joshua, Oludele Awodele, and Achimba Ogbonna. “A Quality of Experience Hexagram Model for Mobile Network Operators’ Multimedia Services and Applications”. International Journal of Computer (IJC) 34, no. 1 (July 17, 2019): 95–105. Accessed September 26, 2022. https://ijcjournal.org/index.php/InternationalJournalOfComputer/article/view/1442.