H.S. Virk. “Measurement of Concentration of Natural Uranium in Ground Waters of Bathinda District (S. Punjab) for the Assessment of Annual Effective Dose”. Global Journal of Human-Social Science 16, no. B5 (March 15, 2016): 31–35. Accessed May 2, 2024. https://socialscienceresearch.org/index.php/GJHSS/article/view/1843.