# Procedures for ranking technical and cost efficient units: With a focus on nonconvexity

> Research article (European Journal of Operational Research, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3206430016](https://www.wikidata.org/wiki/openalex:W3206430016)  
**Source**: https://4ort.xyz/entity/procedures-for-ranking-technical-and-cost-efficient-units-with-a-focus-on-nonconvexity