Chernbumroong S, Thongthip P, Puritat K, Jansukpum K, Julrode P. The effect of pre-class online video on improving knowledge retention and motivation. WJET [Internet]. 2023 Jan. 21 [cited 2024 Nov. 24];15(1):28-42. Available from: https://un-pub.eu/ojs/index.php/wjet/article/view/7806