# Two-echelon capacitated vehicle routing problem with grouping constraints and simultaneous pickup and delivery

> Research article (Transportation Research Part B Methodological, 2022) · cited 37× · AI/ML

**Wikidata**: [openalex:W4283585266](https://www.wikidata.org/wiki/openalex:W4283585266)  
**Source**: https://4ort.xyz/entity/two-echelon-capacitated-vehicle-routing-problem-with-grouping-constraints-and-simultaneous-pickup-and-delivery