# Mutsumi Yokoyama
**Wikidata**: [Q128896159](https://www.wikidata.org/wiki/Q128896159)  
**Source**: https://4ort.xyz/entity/mutsumi-yokoyama


## References

1. [Source](https://www.hakurosya.com/books/news.php?news_id=368)
2. Virtual International Authority File
3. CiNii Research
4. [Source](https://www.ajup-net.com/bd/isbn978-4-8329-3375-0.html)
5. [Source](https://las2005.com/honwoerabu/erabu/394.pdf)