https://www.researchgate.net/publication/226534384_Vehicle_routing_concepts_in_the_closed-loop_container_network_of_ARN_-_A_case_study
Ieke le Blanc . Maaike van Krieken . Harold Krikke . Hein Fleuren "Vehicle routing concepts in the closed-loop container network of ARN —a case study"
Summary of the above topic. 300 words