# Selection of solar tracking system using extended TOPSIS technique with interval type-2 pythagorean fuzzy numbers

> Research article (Optimization and Engineering, 2021) · cited 28× · AI/ML

**Wikidata**: [openalex:W3154492829](https://www.wikidata.org/wiki/openalex:W3154492829)  
**Source**: https://4ort.xyz/entity/selection-of-solar-tracking-system-using-extended-topsis-technique-with-interval-type-2-pythagorean-fuzzy-numbers