Khalaf AJ, Hamza SA. POLAR COORDINATES APPLIED FOR SOLVING PART-MACHINE CELL FORMATION PROBLEM. Kufa J. Eng. [Internet]. 2026 Feb. 7 [cited 2026 Aug. 10];17(1):231-48. Available from: https://journal.uokufa.edu.iq/index.php/kje/article/view/18172