Geunthong, Watcharin, Teianchai Thongwinitsilp, and Kingpetch Geunthong. 2022. “Factors Affecting Excercicing Behavior of Member in the Health Promotion Clubs, Sukhothai Province”. Academic Journal of Thailand National Sports University 6 (2). Chonburi, Thailand:51-64. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/256332.