Arjwech, R., P. Wanakao, L. Archwichai, and L. Wannakao. “The relationship between geological structures and the distribution of saline soil in downstream impacted area of Ubonratana Dam, Khon Kaen province”. Asia-Pacific Journal of Science and Technology, vol. 19, no. 6, Apr. 2017, pp. 834-42, https://so01.tci-thaijo.org/index.php/APST/article/view/83065.