UBELL, Robert N. The Road Not Taken: The Divergence of Corporate and Academic Web Instruction. Online Learning, Boston, MA, v. 14, n. 2, 2010. DOI: 10.24059/olj.v14i2.153. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/153. Acesso em: 4 apr. 2026.