داود غسان قاسم, and عبد الكريم عزام عبد الوهاب. 2016. “Application Tools Lean Six Sigma Definition and Measurement Phases in New Product Development. In the Electrical Industries State Company. Case Study”. Journal of Economics and Administrative Sciences 22 (88): 26. https://doi.org/10.33095/jeas.v22i88.523.