Application of GIS for the identification and demarcation of selective heavy metal concentrations in the urban groundwater
ASHRAF Sobia, ABBAS Farhat, IBRAHIM Muhammad, RASHID Umer, KHALID Shoaib, Raza AHMAD Hammad, Rehman HAKEEM Khalid, MAJEED Tahir
Journal of Geographical Sciences . 2015, (2): 225 -235 .  DOI: 10.1007/s11442-015-1164-0