رائد مجيد عبد محمد and خليل ابراهيم اسماعيل (2019) “Adopting lean thinking in performance administrative and cost for economic units”, Journal of Madenat Alelem University College, 11(1), pp. 94 - 113. Available at: http://116.203.176.164/index.php/JMAUC/article/view/23 (Accessed: 22December2024).