Mirza Naseer Ahmad, Saad Sattar, Jaleed S. Ahmad and Rashida Sultana 2018. Analysis of Bacterial Load in Pre and Post-Filtered Drinking Water at the Educational Institutions of Rabwah, District Chiniot, Pakistan . International Journal of Economic and Environmental Geology. 9, 2 (Jun. 2018), 49–53. DOI:https://doi.org/10.46660/ijeeg.v9i2.681.