Chaiyaduen, P. C. K., and A. P. D. S. Phusri. “Leadership Analysis : Dr. Thaksin Shinawatra : The Public and Private Management to New Public Policy Changing”. Journal of Research and Development Institute Rajabhat Maha Sarakham University, vol. 4, no. 2, Dec. 2017, pp. 53-62, https://so03.tci-thaijo.org/index.php/rdirmu/article/view/209738.