SPRING, Kristian J; GRAHAM, Charles R. Thematic Patterns in International Blended Learning Literature, Research, Practices, and Terminology. Online Learning, Boston, MA, v. 21, n. 4, 2017. DOI: 10.24059/olj.v21i4.998. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/998. Acesso em: 6 apr. 2026.