# Helena Margaretha

> Ph.D. Universiteit Twente 2005

**Wikidata**: [Q102311356](https://www.wikidata.org/wiki/Q102311356)  
**Source**: https://4ort.xyz/entity/helena-margaretha


## References

1. Mathematics Genealogy Project
2. [Source](https://sinta.kemdiktisaintek.go.id/authors/profile/6095752)
3. [ORCID Public Data File 2021](https://pub.orcid.org/v3.0/0000-0003-0323-5131/employment/12317141)