สว่างวงศ์ เ. (2010) “The Development of Web Based Instruction on Introduction to Leisure and Recreation”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 2(1), pp. 13–22. available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/252095 (accessed: 19 September 2026).