رائد مجيد عبد محمد, and خليل ابراهيم اسماعيل. “Adopting Lean Thinking in Performance Administrative and Cost for Economic Units”. Journal of Madenat Alelem University College 11, no. 1 (January 1, 2019): 94 - 113. Accessed April 26, 2024. https://journal.mauc.edu.iq/index.php/JMAUC/article/view/23.