OU, Chaohua; JOYNER, David A.; GOEL, Ashok K. Designing and Developing Videos for Online Learning: A Seven-Principle Model. Online Learning, Boston, MA, v. 23, n. 2, 2019. DOI: 10.24059/olj.v23i2.1449. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1449. Acesso em: 20 apr. 2026.