Chumjai, Pavinee. 2020. “DEVELOPMENT OF SPORT TOURISM MANAGEMENT MODEL IN CHIANG RAI PROVINCE: CASE STUDY OF CYCLING AND RUNNING”. Academic Journal of Thailand National Sports University 12 (3). Chonburi, Thailand:193-203. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/245016.