?url_ver=Z39.88-2004&rft_id=10.3390%2Fapp10124372&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.S.A.&rft.aulast=Hamid&rft.au=Hamid%2C+M.S.A.&rft.atitle=Establishing+the+correlations+for+eco-efficiency+index+of+various+types+of+structural+concrete+used+in+the+malaysian+housing+using+response+surface+method&rft.volume=10&rft.issn=20763417&rft.issue=12&rft.date=2020&rft.title=Applied+Sciences+(Switzerland)&rft.genre=article