?url_ver=Z39.88-2004&rft_id=10.1109%2FITSIM.2010.5561515&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Rahman&rft.aufirst=A.S.A.&rft.au=Rahman%2C+A.S.A.&rft.title=Non-repudiation+in+order%2C+delivery+and+payment+process+for+a+sustainable+online+business&rft.date=2010&rft.isbn=9781424467181&rft.genre=proceeding