GONZÁLEZ ÁLVAREZ, María. Preschool and Primary Education head teachers´assessments about different aspects of the head teachers functions. Avances en Supervisión Educativa, [S. l.], n. 30, 2018. DOI: 10.23824/ase.v0i30.621. Disponível em: https://avances.adide.org/index.php/ase/article/view/621. Acesso em: 14 aug. 2025.