Chernbumroong, S., Thongthip, P., Puritat, K., Jansukpum, K., & Julrode, P. (2023). The effect of pre-class online video on improving knowledge retention and motivation. World Journal on Educational Technology: Current Issues, 15(1), 28–42. https://doi.org/10.18844/wjet.v15i1.7806