?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-33-6311-3%E2%82%84%E2%82%85&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N.L.M.&rft.au=Kamal%2C+N.L.M.&rft.aulast=Kamal&rft.volume=132&rft.date=2021&rft.pages=396-404&rft.title=Lecture+Notes+in+Civil+Engineering&rft.isbn=9789813363106&rft.issn=23662557&rft.atitle=Application+of+response+surface+methodology+for+the+optimization+of+mix+design+concrete+using+coal+bottom+ash+as+cement+replacement+material&rft.genre=article