Open Access statistics for National Museum of Natural History, Bulgaria, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
70%
Total
Publications
827
Total Open
Publications
583
Total
Citations
13K
Open Access
Percentage
70%
Total
Publications
827
Total Open
Publications
583
Total
Citations
13K
Breakdown
Publisher Open
15%
Both
46%
Other Platform Open
9%
Closed
30%
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 60%
302
Hybrid 20%
99
No Guarantees 20%
101
Other Platform Open
Institution 75%
342
Other Internet 38%
170
Domain 37%
167
Public 28%
125
Preprint 4%
20
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 218 |
PubMed Central | Domain | 133 |
Unknown Repository | Other Internet | 131 |
Zenodo | Public | 109 |
Biodiversity Heritage Library | Domain | 95 |
DOI | Other Internet | 86 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 36 |
University of Oslo | Institution | 23 |
Figshare | Public | 21 |
University of Copenhagen | Institution | 19 |
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