Long, Gary L, Carol Marchetti, and Richard Fasse. “The Importance of Interaction for Academic Success in Online Courses With Hearing, Deaf, and Hard-of-Hearing Students”. The International Review of Research in Open and Distributed Learning 12, no. 6 (October 7, 2011): 1–19. Accessed November 22, 2024. https://www.irrodl.org/index.php/irrodl/article/view/1015.