?url_ver=Z39.88-2004&rft_id=10.1063%2F5.0044858&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.F.U.M.&rft.au=Hafiz%2C+M.F.U.M.&rft.aulast=Hafiz&rft.date=2021&rft.title=Extended+aeration+activated+sludge+process+in+treating+ammonia-nitrogen+by-products+from+petrochemical+plant&rft.isbn=9780735440913&rft.issn=0094243X&rft.genre=proceeding