“Using the Theory of Constraints As a Tool to Lean Inventory - A Case Study in Diyala State Company”. 2022. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 50 (3): 162-72. https://doi.org/10.55562/jrucs.v50i3.510.