ESCANIO DE LEÓN , Mónica Natcha. Leadership of the school director as a strategic element in the effectiveness of teacher performance in secondary education . MENTOR revista de investigación educativa y deportiva , [S. l.], v. 2, n. 1, p. 846–871, 2023. DOI: 10.56200/mried.v2iEspecial.6464. Disponível em: https://revistamentor.ec/index.php/mentor/article/view/6464. Acesso em: 4 jun. 2026.