# Ethical Attitudes toward COVID-19 Passports: Evidences from Spain

> Research article (International Journal of Environmental Research and Public Health, 2021) · cited 16× · AI/ML

**Wikidata**: [openalex:W4200557207](https://www.wikidata.org/wiki/openalex:W4200557207)  
**Source**: https://4ort.xyz/entity/ethical-attitudes-toward-covid-19-passports-evidences-from-spain