Kingsley O. Okoro, Edith Edikpa and Bartholomew C. Nwefuru
International Business Management 13 ( 6 ): 228 - 233 , 2019
Edith N. Nwokenna, Anthonia O. Aneke, Osita Victor Ossai and Bartholomew C. Nwefuru
Journal of Engineering and Applied Sciences 14 ( 4 SI ): 7396 - 7399 , 2019