?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=RETNO+HANA+HANIFAH%2C+NIM.+06610018&rft.aulast=RETNO+HANA+HANIFAH&rft.aufirst=NIM.+06610018&rft.degree=Skripsi&rft.date=17+June+2013&rft.title=ENVELOPING+ALGEBRA+OF+A+LIE+ALGEBRA+&rft.inst=UIN+SUNAN+KALIJAGA