# An unpaired pickup and delivery vehicle routing problem with multi-visit

> Research article (Transportation Research Part E Logistics and Transportation Review, 2017) · cited 44× · AI/ML

**Wikidata**: [openalex:W2614710425](https://www.wikidata.org/wiki/openalex:W2614710425)  
**Source**: https://4ort.xyz/entity/an-unpaired-pickup-and-delivery-vehicle-routing-problem-with-multi-visit