?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=PURNAMA+SARI+-+NIM.+05380043%2C+&rft.aulast=PURNAMA+SARI+-+NIM.+05380043&rft.aufirst=+&rft.degree=Skripsi&rft.date=21+January+2010&rft.title=TINJAUAN+HUKUM+ISLAM+TERHADAP+AKAD+DAN+PENGEMBALIAN+UANG+DENGAN+VOUCHER+DI+KEDAI+KOPI+ESPRESSO+BAR+JL.+KALIURANG+YOGYAKARTA&rft.inst=UIN+Sunan+Kalijaga+Yogyakarta