?url_ver=Z39.88-2004&rft_id=10.1504%2FIJBIS.2015.068163&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.&rft.aulast=Sohail&rft.au=Sohail%2C+A.&rft.title=International+Journal+of+Business+Information+Systems&rft.date=2015&rft.volume=18&rft.issn=17460972&rft.atitle=From+ER+model+to+star+model%3A+A+systematic+transformation+approach&rft.issue=3&rft.pages=249-267&rft.genre=article