Smith, Cameron, Roswita Dressler, Michael Holden, Jaime Leigh Fiddler, and Judith Berzins. “Beyond Duolingo”. Canadian Journal for the Study of Adult Education 33, no. 1 (February 16, 2021). Accessed May 14, 2021. https://cjsae.library.dal.ca/index.php/cjsae/article/view/5581.