?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=0612011182%2C+KARINA+LESTY+WINATHA+PUTRI&rft.aulast=0612011182&rft.aufirst=KARINA+LESTY+WINATHA+PUTRI&rft.date=23+Januari+2010&rft.atitle=PERJANJIAN+JUAL+BELI+DALAM+TRANSAKSI+E-COMMERCE&rft.title=digital+lebrary&rft.genre=article