?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=PRASETYA+-+NIM%3A+04630036%2C+&rft.aulast=PRASETYA+-+NIM%3A+04630036&rft.aufirst=+&rft.degree=Skripsi&rft.date=10+June+2009&rft.title=SINTESIS+DAN+KARAKTERISASI+POLIURETAN+DARI+METILEN+-4%2C4%E2%80%99-+DIFENILDIISOSIANAT+(4%2C4%E2%80%99-MDI)%3APOLIETILEN+GLIKOL+400+(PEG+400)%3AMINYAK+KELAPA+DAN+METILEN+-4%2C4%E2%80%99-+DIFENILDIISOSIANAT+(4%2C4%E2%80%99-MDI)%3A1%2C4-BUTANADIOL%3AMINYAK+KELAPA+&rft.inst=UIN+Sunan+Kalijaga+Yogyakarta