Israel. C, Paul KJ, Ratnakar P. Assessment of Groundwater Quality by Using the Ionic Ratios in the Coastal Region of Guntur District, Andhra Pradesh, India. RRIJM [Internet]. 2022 Jun. 30 [cited 2025 Sep. 25];2(2):16-24. Available from: http://rrijm.com/index.php/RRIJM/article/view/25