# RETRACTED ARTICLE: Sustainable closed-loop supply chain network under uncertainty: a response to the COVID-19 pandemic

> Research article (Environmental Science and Pollution Research, 2021) · cited 22× · AI/ML

**Wikidata**: [openalex:W3200729100](https://www.wikidata.org/wiki/openalex:W3200729100)  
**Source**: https://4ort.xyz/entity/retracted-article-sustainable-closed-loop-supply-chain-network-under-uncertainty-a-response-to-the-covid-19-pandemic