?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Akhir%2C+E.A.P.&rft.aulast=Akhir&rft.aufirst=E.A.P.&rft.date=2017&rft.issn=19928645&rft.title=Journal+of+Theoretical+and+Applied+Information+Technology&rft.issue=22&rft.atitle=Information+model+to+support+sustainable+procurement&rft.pages=6278-6287&rft.volume=95&rft.genre=article