BARBOUR, Michael K. Real-Time Virtual Teaching: Lessons Learned From a Case Study in a Rural School. Online Learning, Boston, MA, v. 19, n. 5, 2015. DOI: 10.24059/olj.v19i5.705. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/705. Acesso em: 25 mar. 2026.