@article{library_repository888,
          volume = {14},
          number = {June },
           month = {June},
          author = { Muhammad Dhiauddin Mohamed Suffian},
           title = {Predicting defects in system testing phase using a model : a six sigma approach},
         journal = {Testing Experience Magazine (TE)},
           pages = {52--59},
            year = {2011},
             url = {https://library.oum.edu.my/repository/888/}
}