# Why is the Spanish Upper Chamber So Difficult to Reform?

> Research article (Parliamentary Affairs, 2016) · cited 23× · AI/ML

**Wikidata**: [openalex:W2561439638](https://www.wikidata.org/wiki/openalex:W2561439638)  
**Source**: https://4ort.xyz/entity/why-is-the-spanish-upper-chamber-so-difficult-to-reform