# Keijo Petäjä

> Finnish architect

**Wikidata**: [Q11870732](https://www.wikidata.org/wiki/Q11870732)  
**Source**: https://4ort.xyz/entity/keijo-pet-j


## References

1. Union List of Artist Names. 2009
2. [Source](https://finnisharchitecture.fi/architect/marja-petaja/)
3. Built Heritage Register
4. archINFORM
5. Uppslagsverket Finland
6. KANTO
7. [Source](https://www.archinform.net/service/wd_aiarch.php)