Kratica, J., Stanimirović, Z., Tošić, D., & Filipović, V. (2005). Genetic Algorithm for Solving Uncapacitated Multiple Allocation Hub Location Problem. Computing and Informatics, 24(4), 415–426. https://cai.type.sk/content/2005/4/genetic-algorithm-for-solving-uncapacitated-multiple-allocation-hub-location-problem/