Chung, J.-Y. ., and S.-H. . Jeong. “Korean University Students’ Attitudes, Perceptions, and Evaluations of Asynchronous Online Education in Korean Higher Education”. International Journal of Learning, Teaching and Educational Research, vol. 22, no. 5, May 2023, pp. 344-58, https://www.ijlter.myres.net/index.php/ijlter/article/view/1619.