Nkwachukwu Chukwuchekwa, Amaka Nwokoro and Ekeocha Akujobi (2019) “Optimization of Hata Model for 2.1 GHz Communication Networks in Owerri Metropolis Nigeria”, International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, 5(4), pp. 12–17. doi: 10.31695/IJASRE.2019.33136.