ADAMU, A. ONLINE CLEARANCE SYSTEM. FUDMA Journal of Sciences, [S. l.], v. 6, n. 2, p. 283–291, 2022. DOI: 10.33003/fjs-2022-0602-1756. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1756. Acesso em: 19 aug. 2026.