Choowong, M. ., and P. . Wattanachareekul. “Human Impact on Geomorphic Index Alteration at the Chi River in Kosum Phisai, Maha Sarakham, North-Eastern Thailand”. Bulletin of Earth Sciences of Thailand, vol. 14, no. 1, June 2022, pp. 1-10, https://ph01.tci-thaijo.org/index.php/bestjournal/article/view/248777.