Hosseinzadeh Kashani, Alireza, Movahedi, Mohammad Mehdi, Sardar, Soheila, Shayannia, Seyed Ahmad (2025). Integrated transportation system planning with gravitational search algorithm approach based on fuzzy mutant controller. *The Journal of Productivity Management*, 19(72), 151-180. 10.71737/jpm.2025.3073566