ANDRADE Y PEREIRA, B. y C. El bola. Padres y Maestros / Journal of Parents and Teachers, [S. l.], n. 278, p. 42–45, 2014. Disponível em: https://revistas.comillas.edu/index.php/padresymaestros/article/view/6697. Acesso em: 27 abr. 2024.