PIPER, David. The Theory-Practice Relationship in ESL and the "Art of the Eclectic’. TESL Canada Journal, [S. l.], v. 4, n. 2, p. 29–39, 1987. DOI: 10.18806/tesl.v4i2.503. Disponível em: https://teslcanadajournal.ca/index.php/tesl/article/view/503. Acesso em: 2 may. 2024.