1.
Nshirim ES, Nwagwu U. Integrated Approach for Process Improvement: Value Engineering, Lean Methodology, SIPOC, and Value Stream Mapping. IJANS [Internet]. 2023 Oct. 10 [cited 2026 Sep. 11];1(1):58-66. Available from: https://bluemarkpublishers.net/index.php/IJANS/article/view/20