# Grey system theory in sustainable development research—a literature review (2011−2021)

> Research article (Grey Systems Theory and Application, 2022) · cited 38× · AI/ML

**Wikidata**: [openalex:W4292771632](https://www.wikidata.org/wiki/openalex:W4292771632)  
**Source**: https://4ort.xyz/entity/grey-system-theory-in-sustainable-development-researcha-literature-review-20112021