The Relationship between Lean Maintenance and Green Maintenance and their Impact on Enhancing Sustainable Development: A Case Study at the North Oil Company of Iraq. Al-Rafidain J Sci [Internet]. 2021 Oct. 2 [cited 2026 Aug. 29];45(2):147-60. Available from: https://jrucs.iq/index.php/JAUCS/article/view/119