# Citizen science with colour blindness: A case study on the Forel-Ule scale

> Research article (PLoS ONE, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3155580241](https://www.wikidata.org/wiki/openalex:W3155580241)  
**Source**: https://4ort.xyz/entity/citizen-science-with-colour-blindness-a-case-study-on-the-forel-ule-scale