Chuka Enuka
Pakistan Journal of Social Sciences 7 ( 6 ): 424 - 432 , 2010
Pakistan Journal of Social Sciences 9 ( 4 ): 167 - 172 , 2012
Chuka Enuka and Onwuteaka C. Ifeoma
The Social Sciences 8 ( 1 ): 34 - 41 , 2013