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Effectiveness, Leadership Style and Gender of Secondary Education School Principals in Athens, Greece. World Journal of Vocational Education and Training, [S. l.], v. 2, n. 1, p. 12–20, 2020. DOI: 10.18488/journal.119.2020.21.12.20. Disponível em: https://archive.conscientiabeam.com/index.php/119/article/view/2747. Acesso em: 5 aug. 2026.