Hasan, Shakeb, and Venus Dillu. “Evaluation of Lead (Pb) Contamination and Groundwater Quality Using HPI and WQI in Regions of Delhi NCR”. AIJR Abstracts 8, no. 1 (January 20, 2026): 21. Accessed June 13, 2026. https://abstracts.aijr.org/index.php/abs/article/view/163.