FANGUY, Mik; COSTLEY, Jamie; BALDWIN, Matthew. Pinch Hitter: The Effectiveness of Content Summaries Delivered by a Guest Lecturer in Online Course Videos. The International Review of Research in Open and Distributed Learning, [S. l.], v. 18, n. 7, 2017. DOI: 10.19173/irrodl.v18i7.3208. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/3208. Acesso em: 28 mar. 2024.