HATMANTO, E. D.; SARI, M. I.; PRATOLO, B. W. Facilitating Social Presence in the Synchronous and Asynchronous English Language Class in Yogyakarta, Indonesia. Journal of Foreign Language Teaching and Learning, [S. l.], v. 8, n. 2, p. 150–172, 2023. DOI: 10.18196/ftl.v8i2.18647. Disponível em: https://journal.umy.ac.id/index.php/FTL/article/view/18647. Acesso em: 1 may. 2025.