# A multi-visit flexible-docking vehicle routing problem with drones for simultaneous pickup and delivery services

> Research article (European Journal of Operational Research, 2023) · cited 122× · AI/ML

**Wikidata**: [openalex:W4381949822](https://www.wikidata.org/wiki/openalex:W4381949822)  
**Source**: https://4ort.xyz/entity/a-multi-visit-flexible-docking-vehicle-routing-problem-with-drones-for-simultaneous-pickup-and-delivery-services