Mapping Aquifer Zones in the Terai Region of Nepal Using the Natural Electromagnetic Field Technique: A Case Study from Rajbiraj Municipality, Saptari . J. Nep. Hydrogeol. Ass. [Internet]. 2025 Oct. 16 [cited 2026 Jul. 15];2(1):127-43. Available from: https://nepjol.info/index.php/jnha/article/view/85392