# Marek Cała

> Chairman of the World Mining Congress, Poland

**Wikidata**: [Q48862289](https://www.wikidata.org/wiki/Q48862289)  
**Source**: https://4ort.xyz/entity/marek-ca-a


## References

1. [Source](https://nauka-polska.pl/#/profile/research?id=257064)
2. Polish Science
3. [Source](https://wmc2018.org/en/congress/speakers)