?url_ver=Z39.88-2004&rft_id=10.3923%2Fjas.2011.1573.1579&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=H.&rft.au=Hussin%2C+H.&rft.aulast=Hussin&rft.volume=11&rft.issn=18125654&rft.issue=9&rft.pages=1573-1579&rft.atitle=Modeling+of+maintenance+downtime+distribution+using+expert+opinion&rft.title=Journal+of+Applied+Sciences&rft.date=2011&rft.genre=article