WASET
    Sky Chou and  Joseph C. Chen,  Six Sigma-Based Optimization of Shrinkage Accuracy in Injection Molding Processes .   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 135(3). 207 - 212
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10008610.