Uchenna, A. C., F. Agbodike, and N. Ojiagu. “Testing the Greatest Management Principle (GMP) for Effective Transformation of the Sub-Sahara Africa-An Emperical Evidence from Nigeria”. International Journal of Social Sciences and Management, vol. 2, no. 3, July 2015, pp. 236-43, doi:10.3126/ijssm.v2i3.12596.