Thivya, C., S. Chidambaram, R. Thilagavathi, M. Nepolian, and Adithya V.S. “Evaluation of Drinking Water Quality Index (DWQI) and Its Seasonal Variations in Hard Rock Aquifers of Madurai District, Tamilnadu”. International Journal of Advanced Geosciences 2, no. 2 (May 10, 2014): 48–52. Accessed April 30, 2024. https://sciencepubco.com/index.php/IJAG/article/view/2294.