?url_ver=Z39.88-2004&rft_id=10.3390%2Fma15061997&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Khanzada%2C+F.A.&rft.aulast=Khanzada&rft.aufirst=F.A.&rft.date=2022&rft.issn=19961944&rft.title=Materials&rft.atitle=Concrete+by+Preplaced+Aggregate+Method+Using+Silica+Fume+and+Polypropylene+Fibres&rft.volume=15&rft.issue=6&rft.genre=article