B.I. Onah, Ezenma Chimezie Benard, O. Ariyo Samson, Jimoh Bakare, H.O. Omeje, G.K.O. Okereke, G.N. Ogbonna, Damian Kanayochukwu Ogbu and E.E. Mukoro
Journal of Engineering and Applied Sciences 15 ( 11 ): 2464 - 2472 , 2020