ป้องพาล ป, ยุภาศ ย, โพธิ์สิงห์ ภ. Strategies for Regulating Tourism Management Promotion Policies for the Rafting Groups in the Northeastern. Pitchayatat [Internet]. 2020 Aug. 26 [cited 2024 May 6];15(2):97-111. Available from: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/244326