Open Access statistics for Sofia University "St. Kliment Ohridski", Bulgaria, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
56%
Total
Publications
18K
Total Open
Publications
10K
Total
Citations
356K
Open Access
Percentage
56%
Total
Publications
18K
Total Open
Publications
10K
Total
Citations
356K
Breakdown
Publisher Open
19%
Both
30%
Other Platform Open
7%
Closed
44%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 52%
4.5K
Hybrid 26%
2.3K
No Guarantees 22%
1.9K
Other Platform Open
Institution 72%
4.8K
Other Internet 42%
2.8K
Preprint 21%
1.4K
Domain 18%
1.2K
Public 6%
387
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
DOI | Other Internet | 4.9K |
doaj.org OAI-PMH Repository | Institution | 2.5K |
Office of Scientific and Technical Information | Institution | 2.1K |
Unknown Repository | Other Internet | 1.6K |
arXiv | Preprint | 1.3K |
PubMed Central | Domain | 1.1K |
ETH Zurich | Institution | 928 |
Izmir Institute of Technology | Institution | 910 |
LA Referencia | Institution | 878 |
California Institute of Technology | Institution | 829 |
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