Abossede Ayobola Igunnu. Study of Quality Assurance in Examination Conduction and Administrative Effectiveness of Principals in Public and Private Secondary Schools in Niger State, Nigeria. ijrss [Internet]. 2020 Jul. 8 [cited 2024 Apr. 25];1(3):1-7. Available from: https://ijrss.org/index.php/ijrss/article/view/16