J. LITTLE-WILES, C. FELDHAUS, P. FOX. Are They Engaged? Strategies for Determining Student Engagement Online. Journal of Online Engineering Education, [S. l.], v. 4, n. 2, 2013. Disponível em: https://www.onlineengineeringeducation.com/index.php/joee/article/view/57. Acesso em: 15 jul. 2024.