# Hiroaki Okada
**Wikidata**: [Q24008083](https://www.wikidata.org/wiki/Q24008083)  
**Source**: https://4ort.xyz/entity/hiroaki-okada


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. CiNii Research
4. WorldCat Entities
5. Library of Congress Authorities