# Circular Economy and Sustainability: the Past, the Present and the Future Directions

> Research article (Circular Economy and Sustainability, 2021) · cited 249× · AI/ML

**Wikidata**: [openalex:W3147458383](https://www.wikidata.org/wiki/openalex:W3147458383)  
**Source**: https://4ort.xyz/entity/circular-economy-and-sustainability-the-past-the-present-and-the-future-directions