HAIMAN, A.; LOCKWOOD, M.; WALICEK, D. E. The Teaching of English at U.P.R.R.P., F.E.G.: A model for reflexive, critical and creative thinking about language. Revista Umbral, [S. l.], n. 4, p. 39–65, 2017. Disponível em: https://revistas.upr.edu/index.php/umbral/article/view/8446. Acesso em: 12 ago. 2022.