CHEN, X.; CHEN, H. Essential Elements of Principal Leadership: A Literature Review of the Leadership Qualities of Primary and Secondary Principals. Science Insights Education Frontiers, [S. l.], v. 23, n. 2, p. 3811–3825, 2024. DOI: 10.15354/sief.24.re392. Disponível em: https://mail.bonoi.org/index.php/sief/article/view/1410. Acesso em: 16 apr. 2026.