M, Usen, s.; USORO, Enoidem. Administrative Constraints that affect the Performance of Business Studies in Senior Secondary School Certificate Examination. A case Study of schools in Abak Urban, Akwa Ibom State: The LEAJON: an Academic Journal of Interdisciplianry Studies. . Afrischolar Discovery Repository (Annex), [S. l.], 2011. DOI: 10.60951/afrischolar-222. Disponível em: https://publications.afrischolar.net/index.php/home/article/view/222.. Acesso em: 8 sep. 2024.