Tanimkarn, P., N. Runkawee, and P. Pukahuta. “The Influence of Transformational Leadership and Organizational Culture on the Resignation of Staff of Government Agencies, State Enterprises and Private”. Journal of the Association of Researchers, vol. 23, no. 2, May 2020, pp. 89-102, https://so04.tci-thaijo.org/index.php/jar/article/view/241906.