# Hryhorii Kostiuk

> Soviet psychologist (1899–1982)

**Wikidata**: [Q4235659](https://www.wikidata.org/wiki/Q4235659)  
**Source**: https://4ort.xyz/entity/hryhorii-kostiuk


## References

1. Virtual International Authority File
2. CiNii Research
3. Pedagogues and Psychologists of the World