Alqahtani M, Alam T. Integrating Six Sigma Principles towards Multi-Objective Production Planning for Enhanced Quality in the Al Kharj Manufacturing Sector. Eng. Technol. Appl. Sci. Res. [Internet]. 2024 Dec. 2 [cited 2025 Jan. 21];14(6):18544-9. Available from: https://etasr.com/index.php/ETASR/article/view/8905