Tongkampanit, Patcharee. “THE GUIDELINES FOR DEVELOPMENT IN SPORTS INNOVATION AND VALUE ADDED IN SPORT INDUSTRY”. Academic Journal of Thailand National Sports University 13, no. 2 (April 10, 2021): 55–66. Accessed May 17, 2024. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/245192.