LASISI, H. O., HUSSEIN, I. O., HAMMED, M. B. and ODOFIN, O. M. (2024) “COMPARATIVE ANALYSIS OF THE PERFORMANCE OF 3G NETWORKS VOICE SERVICE IN IBADAN METROPOLIS”, Journal of Engineering Studies and Research, 30(1), pp. 76-89. doi: 10.29081/jesr.v30i1.008.