?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Nizar&rft.au=Nizar%2C+Umar+Kalmar&rft.aufirst=Umar+Kalmar&rft.title=The+Correlation+of+Biodiesel+Physical+Properties+and+Titanium+Tetrahedral+Coordination+in+Silica-Titania+Prepared+by+Different+Moles+Ratio+of+Titania+Precursors&rft.date=2018&rft.genre=proceeding