Tachamuangmoon, S., N. Pomjaisa, K. Boonnun, and P. Chuenwong. “SPATIAL STRATEGY FOR FOREST BURNING HANDLING IN SHAN STATE AND ITS EFFECTS ON COUNTRIES IN THE UPPER MEKHONG REGION”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences, vol. 16, no. 2, June 2021, pp. 19-33, https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/250944.