HAMPEL, Regine; PLEINES, Christine. Fostering student interaction and engagement in a virtual learning environment: An investigation into activity design and implementation. CALICO Journal, [S. l.], v. 30, n. 3, p. 342–370, 2013. DOI: 10.11139/cj.30.3.342-370. Disponível em: https://journal.equinoxpub.com/Calico/article/view/7896.. Acesso em: 16 jul. 2024.