Ubolrat Weerawatsophon. (2005) Alkyd resins from waste cooking oil. Mahidol University,:ม.ป.ท.Ubolrat Weerawatsophon. 2005. Alkyd resins from waste cooking oil. ม.ป.ท.:Mahidol University,;Ubolrat Weerawatsophon. Alkyd resins from waste cooking oil. ม.ป.ท.:Mahidol University, 2005. Print.