# Optimal selection of “zero liquid discharge” (ZLD) system using “analytical hierarchy process” (AHP) and “grey relational analysis” (GRA)

> Research article (Environment Development and Sustainability, 2020) · cited 15× · AI/ML

**Wikidata**: [openalex:W3087014065](https://www.wikidata.org/wiki/openalex:W3087014065)  
**Source**: https://4ort.xyz/entity/optimal-selection-of-zero-liquid-discharge-zld-system-using-analytical-hierarchy-process-ahp-and-grey-relational-analysi