Koray Gencoglan; Osman Gezgin; Meliha Rigan. ENERGY EFFICIENCY THROUGH COMBUSTION SYSTEM OPTIMIZATION IN REHEATING FURNACES: Received: 3rd October 2025 Revised: 16th October 2025, 20th November 2025 Accepted: 11th December 2025 Date of Publication: 17th December 2025. mijst 2025, 11, 85-94.