NDIDI, O. .; ORDUA, E. O. . PARTICIPATIVE LEADERSHIP APPROACH AND PRINCIPALS’ MANAGEMENT EFFECTIVENESS IN SENIOR SECONDARY SCHOOLS IN RIVERS STATE, NIGERIA. BW Academic Journal, [S. l.], 2026. Disponível em: https://bwjournal.org/index.php/bsjournal/article/view/4417. Acesso em: 16 oct. 2026.