SZCZEPANIAK-KOZAK, A. Impoliteness in interlanguage requests of EFL learners in Poland. Linguistica Copernicana, [S. l.], v. 13, p. 319–334, 2017. DOI: 10.12775/LinCop.2016.016. Disponível em: https://apcz.umk.pl/LinCop/article/view/LinCop.2016.016. Acesso em: 19 lip. 2024.