Calvo Benzies, Y. J. “Using WhatsApp in Tourism ESP Classes: A Linguistic Analysis of the Language Used, and Grammatical Mistakes Made”. HUMAN REVIEW. International Humanities Review / Revista Internacional De Humanidades, vol. 12, nº 5, dezembro de 2022, p. 1-21, https://www.historicoeagora.net/revHUMAN/article/view/3973.