# A vehicle routing problem with movement synchronization of drones, sidewalk robots, or foot-walkers

> Research article (Transportation research procedia, 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W2938352754](https://www.wikidata.org/wiki/openalex:W2938352754)  
**Source**: https://4ort.xyz/entity/a-vehicle-routing-problem-with-movement-synchronization-of-drones-sidewalk-robots-or-foot-walkers