Benish Nawaz Merani, Saghir Ahmed Sheikh, Mahvish Jabeen Channa, Aasia Akbar Panhwar and Aijaz Hussain Soomro 2014. Estimation Spatial Distribution of Sodium Adsorption Ratio (SAR) and Residual Sodium Carbonate (RSC) in Groundwater of Tando Muhammad Khan Pakistan. Journal of Pharmacy and Nutrition Sciences . 4, 2 (May 2014), 162–169. DOI:https://doi.org/10.6000/1927-5951.2014.04.02.12.