FOSTER, Charlotte. Between Speaking and Silence: A Study of Quiet Students. Journal of International Students, [S. l.], v. 2, n. 1, p. 129, 2012. DOI: 10.32674/jis.v2i1.546. Disponível em: https://ojed.org/jis/article/view/546. Acesso em: 22 jan. 2025.