Sriharan, P. . ., T. . Pechmon, and P. . Kampetch. “Analysis of Internal and External Environment of Community-Based Tourist in the North of Thailand”. Dusit Thani College Journal, vol. 14, no. 3, Dec. 2020, pp. 95-109, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/245495.