# Zakhar Ravkin

> Soviet scientist

**Wikidata**: [Q16690343](https://www.wikidata.org/wiki/Q16690343)  
**Source**: https://4ort.xyz/entity/zakhar-ravkin


## References

1. IdRef
2. Virtual International Authority File
3. Pedagogues and Psychologists of the World
4. Library of Congress Authorities
5. National Library of Israel Names and Subjects Authority File