Wassan, Rano Khan, Zahid Hussain Hulio, Miskeen Ali Gopang, Umair Sarwar Memon, Ali Akbar, and Shuaib Kaka. 2022. “PRACTICAL APPLICATION OF SIX SIGMA METHODOLOGY TO REDUCE DEFECTS IN A PAKISTANI MANUFACTURING COMPANY”. Journal of Applied Engineering Science 20 (2): 552-61. https://doi.org/10.5937/jaes0-34558.