?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.matlet.2020.128758&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.A.&rft.au=Siyal%2C+A.A.&rft.aulast=Siyal&rft.volume=283&rft.issn=0167577X&rft.atitle=Fly+ash+based+geopolymer+for+the+adsorption+of+cationic+and+nonionic+surfactants+from+aqueous+solution+%C3%A2%EF%BF%BD%EF%BF%BD+A+feasibility+study&rft.title=Materials+Letters&rft.date=2021&rft.genre=article