GONG, Shuping. The presence of absence: Suggestions for online collaborative learning and communication for university students. Journal of Education, Humanities and Social Sciences, [S. l.], v. 59, p. 95–101, 2025. DOI: 10.54097/yzmhrb74. Disponível em: https://ehssdata.com/index.php/ojs/article/view/14. Acesso em: 24 jun. 2026.