Namburi, Sombat, Naiyana Kerdvichai, and Surapon Suyaprom. 2019. “A Causal Relatoinship Model of Integration Buddhism of Change Leadership in 21st Century in Tourism Authority of Thailand”. Journal of Graduate MCU KhonKaen Campus 6 (4):803-22. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/228969.