Hansopa, R. ., P. S. . Subhakicco, P. Chusorn, S. . Sonsuwan, and M. . Bungsane. “Learning Management in 21st Century: Theory toward Implementation”. Dhammathas Academic Journal, vol. 20, no. 2, June 2020, pp. 163-72, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/177018.