Ubolrat Weerawatsophon. 2005. Alkyd resins from waste cooking oil. Field of Study Appropriate Technology for Resources, Mahidol University;
Ubolrat Weerawatsophon. (2005) Alkyd resins from waste cooking oil . Mahidol University/Bangkok.
Ubolrat Weerawatsophon. Alkyd resins from waste cooking oil. . Bangkok:Mahidol University, 2005.
Ubolrat Weerawatsophon. (2005) Alkyd resins from waste cooking oil . Mahidol University/Bangkok.