# Stefan Popvasilev
**Wikidata**: [Q109832721](https://www.wikidata.org/wiki/Q109832721)  
**Source**: https://4ort.xyz/entity/stefan-popvasilev


## References

1. IdRef
2. Integrated Authority File
3. NUKAT
4. Czech National Authority Database
5. CONOR.BG
6. CONOR.SR