?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=C.&rft.au=Utomo%2C+C.&rft.aulast=Utomo&rft.pages=447-451&rft.issn=2010376X&rft.atitle=Agreement+options+on+multi+criteria+group+decision+and+negotiation&rft.title=World+Academy+of+Science%2C+Engineering+and+Technology&rft.date=2009&rft.volume=38&rft.genre=article