Phumphuang, W., D. Marod, S. Sungkaew, and S. Thinkampaeng. “Forest Dynamics and Tree Distribution Patterns in Dry Evergreen Forest, Northeastern, Thailand”. Environment and Natural Resources Journal, vol. 16, no. 2, May 2018, pp. 58-67, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/125029.