PRINCIPALS ORGANIZATIONAL MANAGEMENT AND STUDENTS ACADEMIC ACHIEVEMENT IN SECONDARY SCHOOLS IN EKITISTATE NIGERIA. Singaporean Journal of Business Economics and Management, [S. l.], v. 2, n. (2), p. 76–84, 2013. Disponível em: https://singaporeanjbem.com/index.php/SJBEM/article/view/64. Acesso em: 27 jun. 2026.