ลี้ตระกูล ป. (2018) “Tourism and Income Distribution in Chiang Rai Province”, Journal of Management Science Chiangrai Rajabhat University, 6(2), pp. 91–116. Available at: https://so03.tci-thaijo.org/index.php/jmscrru/article/view/127334 (Accessed: 21 May 2024).