Ajao, K., H. . Ajimotokan, O. . Popoola, and H. . Akande. “Electric Energy Supply in Nigeria, Decentralized Energy Approach”. Distributed Generation &Amp; Alternative Energy Journal, vol. 24, no. 4, Oct. 2009, pp. 34-50, doi:10.13052/dgaej2156-3306.2442.