Waichompu, N., and W. Dechpichai. “Challenges of School Administrators in Adopting 7 Habits in the New Normal Era”. Journal of Education and Innovative Learning, vol. 1, no. 2, Aug. 2021, pp. 207-1, https://so06.tci-thaijo.org/index.php/jeil/article/view/249858.