# How to Assess Sustainability of Suppliers in the Presence of Dual-Role Factor and Volume Discounts? A Data Envelopment Analysis Approach

> Research article (Asia Pacific Journal of Operational Research, 2017) · cited 26× · AI/ML

**Wikidata**: [openalex:W2679618713](https://www.wikidata.org/wiki/openalex:W2679618713)  
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