GOOL, C. van. It takes both the rain and the sunshine to make a Rainbow; Rainbow, geslaagd project van ROC Friese Poort. Levende Talen Magazine, Utrecht, Nederland, v. 91, n. 7, p. 15–17, 2004. Disponível em: https://lt-tijdschriften.nl/ojs/index.php/ltm/article/view/718. Acesso em: 25 apr. 2024.