INTERNAL AUDIT AND REVENUE GENERATION IN NIGER STATE INTERNAL REVENUE SERVICE: EVIDENCE FROM A CROSS-SECTIONAL SURVE. iijp [Internet]. 2026 Mar. 18 [cited 2026 Sep. 22];2(issue 1):1168-86. Available from: https://impactinternationaljournals.com/publications/index.php/ojs/article/view/299