BORUP, Jered; WEST, Richard E.; THOMAS, Rebecca; GRAHAM, Charles R. Examining the impact of video feedback on instructor social presence in blended courses. The International Review of Research in Open and Distributed Learning, [S. l.], v. 15, n. 3, 2014. DOI: 10.19173/irrodl.v15i3.1821. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1821. Acesso em: 21 nov. 2024.