# A multi-stage imperfect maintenance strategy for multi-state systems with variable user demands

> Research article (Computers & Industrial Engineering, 2020) · cited 25× · AI/ML

**Wikidata**: [openalex:W3022887685](https://www.wikidata.org/wiki/openalex:W3022887685)  
**Source**: https://4ort.xyz/entity/a-multi-stage-imperfect-maintenance-strategy-for-multi-state-systems-with-variable-user-demands