Chongvisal, Rattigorn, Dusadee Yolao, and Stuart C. Carr. 2017. “The Study of Leadership and New Direction for Developing Entrepreneurs in Thai Small and Medium Sized Enterprises”. The Journal of Behavioral Science 4 (1), 10-22. https://so06.tci-thaijo.org/index.php/IJBS/article/view/2173.