?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Muhammad+Dhiauddin+Mohamed+Suffian%2C+&rft.aulast=Muhammad+Dhiauddin+Mohamed+Suffian&rft.issue=June+&rft.volume=14&rft.date=June+2011&rft.issn=1866-5705&rft.atitle=Predicting+defects+in+system+testing+phase+using+a+model+%3A+a+six+sigma+approach&rft.title=Testing+Experience+Magazine+(TE)&rft.pages=52-59&rft.genre=article