MERCADO, Feliza Marie; SHIN, Sungwon. Investigating Non-Traditional Graduate Students’ Social Presence in Online Collaborative Activities: A Case Study. Online Learning, Boston, MA, v. 29, n. 4, p. 74–108, 2025. DOI: 10.24059/olj.v29i4.5169. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/5169. Acesso em: 4 apr. 2026.