1. UN-Energy. Sustainable bioenergy: a framework for decision makers (K. Mats); April 2007
2. Alternative means of energy sector investments in Nigeria,;Akuru;Afr J Phys,2009
3. Renewable energy for rural development: the Nigerian perspective;Sambo;ISESCO,2005
4. Sustainable application of solar energy as SMEs in a developing nation;Akuru;Afr J Phys,2009
5. Ejiofor C. Power generation drops by 1074MW, NAIJ.com; Available online at 〈https://www.naij.com/30499.html〉 on: 11/03/2016; 2013.