Chukwuemeka, Ehirm Nnamdi, and Emeka Emmanuel Osuji. “Demand Analysis for Solid Fuel and Its Substitutes As Domestic Energy in Imo State, Nigeria: Application of Quadratic Almost Ideal Demand System (QUAIDS)”. Finance & Economics Review 2, no. 2 (August 18, 2020): 39–54. Accessed May 3, 2024. http://riiopenjournals.com/index.php/finance-economics-review/article/view/141.