Nwabueze, Ekwonwune Emmanuel, Nwachukwu Catherine Ada Ngozi, Anyaduba Obiageli J., and Obikwere Fortune. “Design and Development of Intelligent Electronic Tutorial Software for GSM Maintenance in Nigeria”. Journal of Advanced Computer Science & Technology 4, no. 2 (July 26, 2015): 248–259. Accessed May 3, 2024. https://sciencepubco.com/index.php/JACST/article/view/4880.