STURGES, D. L. Techniques for Increasing Student Engagement for Contact Hour Equivalence: Online Courses That Are Flexplace, not Flextime. HETS Online Journal, [S. l.], v. 3, n. 2, p. 74-101, 2013. DOI: 10.55420/2693.9193.v3.n2.138. Disponível em: https://hets.org/ojournal/index.php/hoj/article/view/138. Acesso em: 3 may. 2024.