Tienkow, Sirada. “A Tourism Transition Model for Cultural Heritage Preservation of Chiang Khan District, Loei Province”. NAJUA: Architecture, Design and Built Environment 31 (March 7, 2017): 87. Accessed April 30, 2024. https://so04.tci-thaijo.org/index.php/NAJUA-Arch/article/view/78989.