Jularlark, S., P. Songsangyos, and T. Soutthaboualy. “Learning Management of Imagineering in Flipped Classroom for Lao PDR Vocational Students”. International Journal of Educational Communications and Technology, vol. 1, no. 1, Dec. 2021, pp. 22-29, https://ph01.tci-thaijo.org/index.php/IJECT/article/view/247757.