LABRADOR, C. Adolfo Ferriere y la escuela activa. Padres y Maestros / Journal of Parents and Teachers, [S. l.], n. 242, p. 36–29, 2014. Disponível em: https://revistas.comillas.edu/index.php/padresymaestros/article/view/2696. Acesso em: 18 jun. 2024.