?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-33-6311-3%E2%82%85%E2%82%83&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N.&rft.au=Shafiq%2C+N.&rft.aulast=Shafiq&rft.title=Lecture+Notes+in+Civil+Engineering&rft.date=2021&rft.isbn=9789813363106&rft.volume=132&rft.issn=23662557&rft.pages=458-467&rft.atitle=An+experimental+assessment+on+the+performance+of+fly+ash+in+concrete&rft.genre=article