SOENNING, Lukas. Unstressed Vowels in German Learner English: An Instrumental Study. Research in Language, [S. l.], v. 12, n. 2, p. 163–173, 2014. DOI: 10.2478/rela-2014-0001. Disponível em: https://czasopisma.uni.lodz.pl/research/article/view/6710. Acesso em: 22 jul. 2024.