Nadarajah N, Ganipaneni S, Chopra P, Goel O, Goel P (Dr) P, Jain PA. Achieving Operational Efficiency through Lean and Six Sigma Tools in Invoice Processing. JQST [Internet]. 2024 Aug. 1 [cited 2024 Nov. 21];1(3):Apr(265-286). Available from: https://jqst.org/index.php/j/article/view/120