สุมิพันธ์ ทินกร, and Kitti Kaewkhiew. “Marketing Mix Factor and Tourism Demand Affecting Decision Making Behavior of Tourists in Visiting Khiriwong Nakhon Si Thammart Province”. Journal of KMITL Business school 10, no. 2 (August 28, 2020): 1–13. Accessed May 6, 2024. https://so02.tci-thaijo.org/index.php/fam/article/view/243625.