“Assessment of Groundwater Level Trends Using Mann--Kendall Test, Sen’s Slope Estimator, and GIS Mapping in the Bandikhan District, Surkhandarya, Uzbekistan”. Journal of Hydraulic and Environmental Engineering, vol. 4, no. 1, June 2026, pp. 3-19, https://doi.org/10.35938/jhee-2026-1-00001.