# Digital twins in manufacturing: systematic literature review for physical–digital layer categorization and future research directions

> Research article (International Journal of Computer Integrated Manufacturing, 2022) · cited 50× · AI/ML

**Wikidata**: [openalex:W4205944040](https://www.wikidata.org/wiki/openalex:W4205944040)  
**Source**: https://4ort.xyz/entity/digital-twins-in-manufacturing-systematic-literature-review-for-physicaldigital-layer-categorization-and-future-research