?url_ver=Z39.88-2004&rft_id=10.3390%2Fma14123322&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Murali%2C+M.&rft.aulast=Murali&rft.aufirst=M.&rft.title=Materials&rft.date=2021&rft.issue=12&rft.volume=14&rft.issn=19961944&rft.atitle=Utilization+of+crumb+rubber+and+high-volume+fly+ash+in+concrete+for+environmental+sustainability%3A+Rsm-based+modeling+and+optimization&rft.genre=article