คำแสน เ. (2018). Change in business and investment in Chiangrai Province over the past 60 years (1946-2007) : in case studies on the change of business and investment in the Thanalai Road. Journal of Management Science Chiangrai Rajabhat University, 6(1), 89–117. Retrieved from https://so03.tci-thaijo.org/index.php/jmscrru/article/view/127371