Kaowsrita, Duangaree, Noppawan Tanakanjana Phongkhieo, and Wanchai Arunpraparut. “Transportation System and Some Impacts in Phu Ruea National Park”. Thai Journal of Forestry 38, no. 2 (December 27, 2019): 110–123. Accessed May 18, 2024. https://li01.tci-thaijo.org/index.php/tjf/article/view/246232.