khumhaeng, supatra, and Chanyanuch Morasil. “MARKETING STRATEGIES FOR THE DEVELOPMENT OF RELATED PRODUCT AND SERVICE STANDARDS WITH SPORTS TOURISM”. Academic Journal of Thailand National Sports University 16, no. 1 (January 9, 2024): 177–190. Accessed May 17, 2024. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/260287.