HERYANDI, Y.; SAID, I.; HERLINA, R. Online Teaching in Writing by Means of Slack Application. Journal of English Education and Teaching, [S. l.], v. 4, n. 1, p. 49–68, 2020. DOI: 10.33369/jeet.4.1.49-68. Disponível em: https://ejournal.unib.ac.id/JEET/article/view/9989. Acesso em: 3 may. 2024.