# Protesting to challenge or defend the system? A system justification perspective on collective action

> Research article (European Journal of Social Psychology, 2018) · cited 260× · AI/ML

**Wikidata**: [openalex:W2862420670](https://www.wikidata.org/wiki/openalex:W2862420670)  
**Source**: https://4ort.xyz/entity/protesting-to-challenge-or-defend-the-system-a-system-justification-perspective-on-collective-action