محمد عبد الواحد فليح and أشواق طالب كاظم (2019) “Using lean six sigma to achieve competitive advantage Applied research in the General Company for Electrical Industries/Waziriya "Engine Lab"”, Journal of Madenat Alelem University College, 11(1), pp. 54 - 79. Available at: http://116.203.176.164/index.php/JMAUC/article/view/20 (Accessed: 22December2024).