?url_ver=Z39.88-2004&rft_id=10.3390%2Fcryst11020139&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.H.A.&rft.aulast=Rahman&rft.au=Rahman%2C+S.H.A.&rft.atitle=Experimental+study+and+design+of+experiment+using+statistical+analysis+for+the+development+of+geopolymer+matrix+for+oil-well+cementing+for+enhancing+the+integrity&rft.issue=2&rft.volume=11&rft.issn=20734352&rft.date=2021&rft.title=Crystals&rft.genre=article