School management and students’ performance in private secondary schools in Uyo metropolis, Akwa Ibom state, Nigeria. Singaporean Journal of Business Economics and Management, [S. l.], v. 9, n. (1), p. 27–32, 2022. Disponível em: http://www.singaporeanjbem.com/index.php/SJBEM/article/view/537. Acesso em: 30 jun. 2026.