MÉNDEZ, E. Singapur, metadatos y cepillos de dientes. Anuario ThinkEPI, [S. l.], v. 2, p. 063–066, 2008. Disponível em: https://thinkepi.profesionaldelainformacion.com/index.php/ThinkEPI/article/view/32042. Acesso em: 9 ago. 2022.