Mkpoikanke Sunday Otu, Victor Sunday Ezema, Abah George Ohabuenyi, Ofoegbu Theresa, Christopher Uwah, Stella Anietie Usen and Inwang Etim Udom
Journal of Engineering and Applied Sciences 13 ( 20 ): 8409 - 8413 , 2018
Okafor Nneka Ifeoma and Abah George Ohabuenyi
Journal of Engineering and Applied Sciences 14 ( 24 ): 9903 - 9908 , 2019