Ethical leadership as a predictor of teachers’ task performance in public secondary schools in Delta State, Nigeria. Humanities Horizon, [S. l.], v. 3, n. 2, p. 118–128, 2026. DOI: 10.63373/3047-8014/56. Disponível em: https://journal.penapro.org/index.php/hh/article/view/56. Acesso em: 19 jun. 2026.