# Mario Barra

> mathematician and teacher

**Wikidata**: [Q129342320](https://www.wikidata.org/wiki/Q129342320)  
**Source**: https://4ort.xyz/entity/mario-barra-q129342320


## References

1. Virtual International Authority File
2. [Source](http://www.educationduepuntozero.it/Attualita/mario-barra.shtml)