IRGIN, P. English as a lingua franca: From classroom to out-of-class communication. Focus on ELT Journal, [S. l.], v. 2, n. 2, p. 4–16, 2020. DOI: 10.14744/felt.2020.00022. Disponível em: https://focusonelt.com/index.php/foe/article/view/22. Acesso em: 14 may. 2021.