MAN, SOKSEYLA, and Supattra Visessri. “Low-Flow Assessment Methods for Ungauged Sub-Basins in the Upper Ping River Basin, Thailand”. Naresuan University Engineering Journal 18, no. 1 (May 30, 2023): 1–13. accessed December 9, 2025. https://ph01.tci-thaijo.org/index.php/nuej/article/view/249126.