Chernbumroong, Suepphong, Phimphakan Thongthip, Kitti Puritat, Kanjana Jansukpum, and Phichete Julrode. “The Effect of Pre-Class Online Video on Improving Knowledge Retention and Motivation”. World Journal on Educational Technology: Current Issues 15, no. 1 (January 21, 2023): 28–42. Accessed July 3, 2024. https://un-pub.eu/ojs/index.php/wjet/article/view/7806.