# The Twenty-First Century

> Hong Kong academic journal

**Wikidata**: [Q7770824](https://www.wikidata.org/wiki/Q7770824)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Twenty-First_Century)  
**Source**: https://4ort.xyz/entity/the-twenty-first-century


## References

1. NDL Search
2. ISSN Portal
3. CiNii Research
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
5. YouTube API