# The pickup and delivery problem with transshipments: Critical review of two existing models and a new formulation

> Research article (European Journal of Operational Research, 2022) · cited 23× · AI/ML

**Wikidata**: [openalex:W4281907689](https://www.wikidata.org/wiki/openalex:W4281907689)  
**Source**: https://4ort.xyz/entity/the-pickup-and-delivery-problem-with-transshipments-critical-review-of-two-existing-models-and-a-new-formulation