ETHICAL STANDARDS AS CORRELATES OF EFFECTIVE SUPERVISION FOR SUSTAINABLE NATIONAL DEVELOPMENT IN SECONDARY SCHOOLS OF OWERRI ZONE I, IMO STATE. Journal of Association of Educational Management and Policy Practitioners, [S. l.], v. 7, n. 2, p. 299–304, 2026. Disponível em: https://journals.aemapp.org/index.php/JAEMAPP/article/view/642. Acesso em: 26 jul. 2026.