HASUND, I. K. Informal language in English L2 writing: What are pupils taught from textbooks? . Acta Didactica Norge, [S. l.], v. 13, n. 3, p. 25, 2019. DOI: 10.5617/adno.6599. Disponível em: https://journals.uio.no/adno/article/view/6599. Acesso em: 11 mai. 2021.