# Efficiency Analysis of Industrial Water Treatment in China Based on Two-stage Undesirable Fixed-sum Output DEA Model

> Research article (系统科学与信息学报(英文), 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W4214583198](https://www.wikidata.org/wiki/openalex:W4214583198)  
**Source**: https://4ort.xyz/entity/efficiency-analysis-of-industrial-water-treatment-in-china-based-on-two-stage-undesirable-fixed-sum-output-dea-model