# Green Supplier Selection Based on DEA Model in Interval-Valued Pythagorean Fuzzy Environment

> Research article (IEEE Access, 2019) · cited 44× · AI/ML

**Wikidata**: [openalex:W2965284014](https://www.wikidata.org/wiki/openalex:W2965284014)  
**Source**: https://4ort.xyz/entity/green-supplier-selection-based-on-dea-model-in-interval-valued-pythagorean-fuzzy-environment