Theeravechpolkul, Chayaporn, and Paitoon Chetthamrongchai. 2018. “MARKETING STRATEGY TO PROMOTE WELLNESS TOURISM IN MUEANG DISTRICT, RANONG PROVINCE”. Rajapark Journal 12 (27). Bangkok, Thailand:85-100. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/162541.