Mungkarndee, D. P. and Harnboonsong, D. Y. (2013) “Environmental Impact Study on Khong-Chi-Mun Water Quality in Ubon Ratchathani Province”, Engineering and Applied Science Research, 25(3), pp. 1–10. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/6599 (accessed: 27 September 2026).