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ล่องประเสริฐ ส, ไพจิตร ป. Business Ethics of Tourism in Koh Samui District Suratthani Province. Journal of Management Sciences [internet]. 2016 Jun. 30 [cited 2026 Sep. 11];3(1):149-72. available from: https://so03.tci-thaijo.org/index.php/msj/article/view/116600