?url_ver=Z39.88-2004&rft_id=10.3390%2Fmin10040333&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.aulast=Zahid&rft.au=Zahid%2C+M.&rft.date=2020&rft.title=Minerals&rft.atitle=Effects+of+sand%2Ffly+ash+and+the+water%2Fsolid+ratio+on+the+mechanical+properties+of+engineered+geopolymer+composite+and+mix+design+optimization&rft.volume=10&rft.issn=2075163X&rft.issue=4&rft.genre=article