EUNEN, K. van. BookWidgets.com: Handig, leuk en zeer praktisch. Levende Talen Magazine, Utrecht, Nederland, v. 104, n. 4, p. 36–37, 2017. Disponível em: https://lt-tijdschriften.nl/ojs/index.php/ltm/article/view/1698. Acesso em: 24 apr. 2024.