# Maciej Pietrzak

> Polish geographer

**Wikidata**: [Q56255669](https://www.wikidata.org/wiki/Q56255669)  
**Source**: https://4ort.xyz/entity/maciej-pietrzak


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. MAK
5. [Source](https://nauka-polska.pl/#/profile/scientist?id=11907)