Poungngamchuen, Jukkaphong, and Krongthong Namvises. 2012. “People’s Participation in Dong Na Tham Community Forest Management Project, Ubon Ratchathani, Thailand”. Kasetsart Journal of Social Sciences 33 (3):486-98. https://so04.tci-thaijo.org/index.php/kjss/article/view/246863.