HODEL, H.-P. Description and evaluation of language learning stays. Swiss Journal of Educational Research, [S. l.], v. 26, n. 3, p. 397–418, 2004. DOI: 10.24452/sjer.26.3.4686. Disponível em: https://sjer.ch/article/view/4686. Acesso em: 19 apr. 2024.