?url_ver=Z39.88-2004&rft_id=10.19026%2Frjaset.6.3827&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=H.A.&rft.au=Gasim%2C+H.A.&rft.aulast=Gasim&rft.issue=11&rft.volume=6&rft.issn=20407459&rft.pages=2077-2082&rft.atitle=Optimization+of+anaerobic+treatment+of+petroleum+refinery+wastewater+using+artificial+neural+networks&rft.title=Research+Journal+of+Applied+Sciences%2C+Engineering+and+Technology&rft.date=2013&rft.genre=article