BOHNENN, E. Even – effe – ff. Nederlands in het mbo. Levende Talen Magazine, Utrecht, Nederland, v. 90, n. 7, p. 5–8, 2003. Disponível em: https://lt-tijdschriften.nl/ojs/index.php/ltm/article/view/756. Acesso em: 20 jul. 2024.