“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), pp. 162–172. doi:10.55562/jrucs.v50i3.510.