Santhi, D., Umayoru Bhagan, V. and Lekshmana Sarma, R. (2010) “Concentration of Fluoride Ion in Surface Soils in Vallioor Union of Tirunelveli District, Tamil Nadu, India ”, Asian Journal of Chemistry, 14(1), pp. 177–180. Available at: https://asianpubs.org/index.php/ajchem/article/view/21990 (Accessed: 4 July 2024).