Udo EJ, Uto NP, Anieting AE, Ezugwu VO, Inyang EJ. The contribution of some revenue sources to the total expenditure of an oil-producing state in Nigeria. wojast [Internet]. 2026 Aug. 28 [cited 2026 Oct. 9];18(1):79-83. Available from: https://www.ajol.info/index.php/wojast/article/view/334339