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A literature survey of HUB location problems and methods with emphasis on the marine transportations | Semantic Scholar
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The capacitated single-allocation p-hub location routing problem: a Lagrangian relaxation and a hyper-heuristic approach - ScienceDirect
![Typical hub-and-spoke networks: a single allocation; b multiple allocation | Download Scientific Diagram Typical hub-and-spoke networks: a single allocation; b multiple allocation | Download Scientific Diagram](https://www.researchgate.net/publication/270824044/figure/fig1/AS:613984214450211@1523396652651/Typical-hub-and-spoke-networks-a-single-allocation-b-multiple-allocation.png)
Typical hub-and-spoke networks: a single allocation; b multiple allocation | Download Scientific Diagram
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