“Study on Physical-Chemical Characteristics of the Ground water in Olakkur Block Villupuram District, Tamilnadu, India” (2022) International Journal of Food and Nutritional Sciences, 11(Special Issue 1), pp. 2910–2922. Available at: https://ijfans.org/index.php/Journal/article/view/6514 (Accessed: 18 July 2026).