Understanding Leadership Efficacy in K–12 Schools: A Qualitative Study of Educational Leaders’ Practice. Journal of School Administration Research and Development, [S. l.], v. 11, n. 2, p. 160–170, 2026. DOI: 10.32674/5w8s2b49. Disponível em: http://ojed.org/JSARD/article/view/10005. Acesso em: 30 oct. 2026.