Umeanozie, Alex O, Eleanya K Nduka, and Jude O Chukwu. “Subsidies and the Demand for Petroleum Products in Nigeria”. International Journal of Sustainable Energy and Environmental Research 3, no. 2 (June 16, 2014): 100–109. Accessed December 7, 2025. https://archive.conscientiabeam.com/index.php/13/article/view/2093.