Ali, Shahid, Kuaanan Techato, Juntakan Taweenkun, and Saroj Gyawali. 2019. “Assessment of land use suitability for natural rubber using GIS in the U-tapao River basin, Thailand”. Kasetsart Journal of Social Sciences 41 (1):110–117. https://so04.tci-thaijo.org/index.php/kjss/article/view/231583.