Esichaikul, Ranee, Rochaporn Chansawang, and Papavadee Montriwat. 2020. “Competency Development for Participative Management of Hot Spring Attractions in Lanna Tourism Cluster”. Dusit Thani College Journal 12 (3):1-17. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/240928.