Adikpe, A. O., M. Iyobhebhe, C. A. Amlabu, and J. G. Bashayi. “Congestion Analysis of a GSM Network in Kaduna State Nigeria”. International Journal of Advanced Natural Sciences and Engineering Researches, vol. 5, no. 1, Dec. 2021, pp. 1-6, doi:10.59287/ijanser.53.