O. Nwankwo Benjamin, N. Amadi Agwu, S. Nwoga Kachi, M. Chukwuocha Uche, A. Nwoke Eunice, C. Oguejiofor Nnaemekaand and Odom Uchechukwu
The Social Sciences 4 ( 2 ): 223 - 228 , 2009
O. Nwankwo Benjamin, O. Obanny Adolphus, N. Amadi Agwu, A. Nwoke, Eunice, E. Ikegwoha Alloy, S. Nwoga Kachy and O. Nwabueze Peter
The Social Sciences 4 ( 4 ): 382 - 387 , 2009