# Zbigniew Ustrnul

> Polish teacher

**Wikidata**: [Q65164100](https://www.wikidata.org/wiki/Q65164100)  
**Source**: https://4ort.xyz/entity/zbigniew-ustrnul


## References

1. Czech National Authority Database
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0003-0957-4396/employment/7648913)
3. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0003-0957-4396/employment/6797931)
4. Virtual International Authority File
5. Polish Science
6. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-0957-4396/external-identifiers/1375094)