EMANUEL, Jeffrey P.; LAMB, Anne. Open, Online, and Blended: Transactional Interactions with MOOC Content by Learners in Three Different Course Formats. Online Learning, Boston, MA, v. 21, n. 2, 2017. DOI: 10.24059/olj.v21i2.845. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/845. Acesso em: 4 apr. 2026.