“Using the Theory of Constraints As a Tool to Lean Inventory - A Case Study in Diyala State Company”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 50, no. 3 (January 21, 2022): 162–172. Accessed April 16, 2026. https://jrucs.iq/index.php/JAUCS/article/view/510.