ADMINISTRATOR’S SUPERVISION IN SECONDARY SCHOOLS: ETHICAL  STANDARDS FOR SUSTAINABLE NATIONAL DEVELOPMENT. Scientific Journal of Educational Management, Research and law, [S. l.], v. 5, n. 1, p. 211–217, 2026. Disponível em: https://journals.aemapp.org/index.php/SJEMRL/article/view/347. Acesso em: 25 jun. 2026.