Stewart, W., and P. Lowenthal. “Experiences and Perceptions of Exchange Students Learning Online During the COVID-19 Pandemic in the Republic of Korea: An Exploratory Descriptive Study”. Asian Journal of Distance Education, Vol. 16, no. 1, May 2021, pp. 119-40, https://www.asianjde.com/ojs/index.php/AsianJDE/article/view/551.