DENG, L.; YUEN, A. H. K. CONNECTING ADULT LEARNERS WITH AN ONLINE COMMUNITY: CHALLENGES AND OPPORTUNITIES. Research and Practice in Technology Enhanced Learning, [S. l.], v. 2, n. 3, p. 195–212, 2007. DOI: 10.58459/rptel.2007.2195-212. Disponível em: https://rptel.apsce.net/index.php/RPTEL/article/view/2007-02008. Acesso em: 28 jul. 2025.