# Duncan Hedderley

> researcher

**Wikidata**: [Q50201886](https://www.wikidata.org/wiki/Q50201886)  
**Source**: https://4ort.xyz/entity/duncan-hedderley


## References

1. The performance of techniques for estimating the number of eligible signatories to a large petition on the basis of a sample of signatures
2. [Source](http://hdl.handle.net/10179/13202)
3. [SciGraph](https://scigraph.springernature.com/person.01303174141.74)