Teachersa Perception of Principalsa Leadership Effectiveness In Public and Privatesecondary Schools in Ondo State. Global Journal of Management and Business Research, [S. l.], v. 11, n. 12, p. 23–27, 2011. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/100147. Acesso em: 5 feb. 2026.