# A matheuristic for the Two-Echelon Multi-Trip Vehicle Routing Problem with mixed pickup and delivery demand and time windows

> Research article (Transportation Research Part C Emerging Technologies, 2024) · cited 54× · AI/ML

**Wikidata**: [openalex:W4391990016](https://www.wikidata.org/wiki/openalex:W4391990016)  
**Source**: https://4ort.xyz/entity/a-matheuristic-for-the-two-echelon-multi-trip-vehicle-routing-problem-with-mixed-pickup-and-delivery-demand-and-time-win