OFFICE, Editorial. ESJ July COVER PAGE. European Scientific Journal, ESJ, [S. l.], v. 15, n. 21, 2019. DOI: 10.19044/esj.2019.v15n21p%p. Disponível em: https://test.eujournal.org/index.php/esj/article/view/12233. Acesso em: 7 apr. 2025.