Challenges — Indexing & Abstracting
Challenges is covered by following indexing and abstracting databases:
- Directory of Open Access Journals (DOAJ)
- e-Helvetica (Swiss National Library Archive)
- Google Scholar
- LOCKSS (Digital Archive System)
- OCLC WorldCat
We understand the importance of coverage in the Web of Science. This journal has been submitted for evaluation to receive an impact factor as soon as possible.