# Ángel Obregón Sierra

> Spanish professor and researcher

**Wikidata**: [Q58423203](https://www.wikidata.org/wiki/Q58423203)  
**Source**: https://4ort.xyz/entity/-ngel-obreg-n-sierra


## References

1. datos.bne.es
2. [Source](https://dialnet.unirioja.es/servlet/tesis?codigo=122262)
3. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-8801-317X/external-identifiers/710328)