SWAN, Karen; SHIH, Li Fang. ON THE NATURE AND DEVELOPMENT OF SOCIAL PRESENCE IN ONLINE COURSE DISCUSSIONS. Online Learning, Boston, MA, v. 9, n. 3, 2019. DOI: 10.24059/olj.v9i3.1788. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1788. Acesso em: 4 apr. 2026.