# A group decision making sustainable supplier selection approach using extended TOPSIS under interval-valued Pythagorean fuzzy environment

> Research article (Expert Systems with Applications, 2018) · cited 308× · AI/ML

**Wikidata**: [openalex:W2904468863](https://www.wikidata.org/wiki/openalex:W2904468863)  
**Source**: https://4ort.xyz/entity/a-group-decision-making-sustainable-supplier-selection-approach-using-extended-topsis-under-interval-valued-pythagorean-