Peamsakul, Wasittha, and Suchart Taweepornpathomkul. 2013. “A STUDY OF THE TOURISM POTENTIALITY OF KHON KAEN PROVINCE”. Academic Journal of Thailand National Sports University 5 (2). Chonburi, Thailand:111-26. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/254956.