Mirzapour Al-e-hashem,S M J , , Amoozad Khalili,H , and Khazaei Kouhpar,R . "An Ambulance Routing Problem in Organ Transplant Supply Chain Considering Traffic Congestion", Journal of Industrial Management Perspective, 12, 1, 2022, 261-291. doi: 10.52547/jimp.12.1.261