# The single-vehicle two-echelon one-commodity pickup and delivery problem

> Research article (Computers & Operations Research, 2020) · cited 18× · AI/ML

**Wikidata**: [openalex:W3109585003](https://www.wikidata.org/wiki/openalex:W3109585003)  
**Source**: https://4ort.xyz/entity/the-single-vehicle-two-echelon-one-commodity-pickup-and-delivery-problem