?url_ver=Z39.88-2004&rft_id=10.3390%2Fpolym9120647&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Akbari&rft.au=Akbari%2C+S.&rft.aufirst=S.&rft.title=Polymers&rft.issue=12&rft.atitle=Assessment+of+polyacrylamide+based+co-polymers+enhanced+by+functional+group+modifications+with+regards+to+salinity+and+hardness&rft.volume=9&rft.date=2017&rft.issn=20734360&rft.genre=article