Shounchupon A. GUIDELINES FOR DEVELOPING THE WELLNESS TOURISM TO ENCOURAGE THE COMPETITIVE ADVANTAGE WITH HIGH VALUE SERVICES IN SA KAEO PROVINCE. VAR [Internet]. 2022 Aug. 31 [cited 2024 May 4];12(2):99-117. Available from: https://so06.tci-thaijo.org/index.php/var/article/view/248968