A Systematic Approach to Developing Leadership Competencies in Preschool Education Management. American Journal of Public Diplomacy and International Studies (2993-2157), [S. l.], v. 4, n. 4, p. 6–9, 2026. Disponível em: https://www.grnjournal.us/index.php/AJPDIS/article/view/9358. Acesso em: 15 jun. 2026.