?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.jclepro.2018.05.158&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.au=Zahid%2C+M.&rft.aulast=Zahid&rft.pages=483-498&rft.atitle=Statistical+modeling+and+mix+design+optimization+of+fly+ash+based+engineered+geopolymer+composite+using+response+surface+methodology&rft.volume=194&rft.issn=09596526&rft.date=2018&rft.title=Journal+of+Cleaner+Production&rft.genre=article