?url_ver=Z39.88-2004&rft_id=10.1504%2FIJMEI.2011.039077&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N.&rft.au=Akhmad+Setiawan%2C+N.&rft.aulast=Akhmad+Setiawan&rft.date=2011&rft.title=International+Journal+of+Medical+Engineering+and+Informatics&rft.pages=60-77&rft.atitle=A+knowledge+discovery+from+incomplete+coronary+artery+disease+datasets+using+rough+set&rft.volume=3&rft.issn=17550653&rft.issue=1&rft.genre=article