Receptive and productive skills of English /l/ and /r/ by Japanese college students in relation to their motivation. Linguistic Proceedings Series, [S. l.], v. 2, n. 1, p. 213–216, 2008. DOI: 10.36505/ExLing-2008/02/0054/000113. Disponível em: https://publications.linguistic-society.com/index.php/ILS/article/view/110. Acesso em: 31 may. 2026.