Daliev, Sherzod, Sherzod Urakov, Ulugbek Elmurodov, Oxun Xaitov, and Maftuna Abbasova. 2025. “A Three-Dimensional Mathematical Model for Groundwater Level Variations in a Two-Layered Medium”. Engineering, Technology & Applied Science Research 15 (5). Greece:28368-76. https://doi.org/10.48084/etasr.11979.