Akinola, O. A., and M. A. Allison. “COMPARATIVE ANALYSIS OF QUALITY OF SERVICE OF GSM NETWORKS IN NIGERIA: CASE OF IKORODU AND BADAGRY”. LAUTECH Journal of Engineering and Technology, vol. 9, no. 2, June 2016, pp. 91-101, https://laujet.com/index.php/laujet/article/view/374.