# Jacek Pietrzak
**Wikidata**: [Q112476247](https://www.wikidata.org/wiki/Q112476247)  
**Source**: https://4ort.xyz/entity/jacek-pietrzak


## References

1. Czech National Authority Database
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-5996-6270/education/6532583)
3. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-5996-6270/employment/6532571)
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Virtual International Authority File
6. CiNii Research