?url_ver=Z39.88-2004&rft_id=10.3390%2Fw13202868&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Maqsoom&rft.au=Maqsoom%2C+A.&rft.aufirst=A.&rft.date=2021&rft.volume=13&rft.issue=20&rft.issn=20734441&rft.atitle=A+gis-based+groundwater+contamination+assessment+using+modified+drastic+geospatial+technique&rft.title=Water+(Switzerland)&rft.genre=article