GUAJARDO LEAL, Brenda Edith; VALENZUELA GONZÁLEZ, Jaime Ricardo; SCOTT, John. Student engagement as predictor of xMOOC completion: An analysis from five courses on energy sustainability. Online Learning, Boston, MA, v. 23, n. 2, 2019. DOI: 10.24059/olj.v23i2.1523. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1523. Acesso em: 29 mar. 2026.