HAGGAG, Haggag Mohamed. Using Google Classroom in Enhancing Communicative Grammar Use and Attitudes of Non-English Specialized Post Graduates. European Scientific Journal, ESJ, [S. l.], v. 15, n. 1, p. 261, 2019. DOI: 10.19044/esj.2019.v15n1p261. Disponível em: https://test.eujournal.org/index.php/esj/article/view/11676. Acesso em: 18 apr. 2025.