MCCAULEY, C. Principles for Determining the Costs of Professional Development for School Leaders. International Journal of Education Policy and Leadership, [S. l.], v. 21, n. 4, p. 15 pp, 2025. DOI: 10.22230/ijepl.2025v21n4a1495. Disponível em: https://ijepl.journals.publicknowledgeproject.org/index.php/ijepl/article/view/1495. Acesso em: 17 may. 2026.