Open Access statistics for Space Research and Technology Institute, Bulgaria, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
59%
Total
Publications
975
Total Open
Publications
580
Total
Citations
8K
Open Access
Percentage
59%
Total
Publications
975
Total Open
Publications
580
Total
Citations
8K
Breakdown
Publisher Open
33%
Both
19%
Other Platform Open
5%
Closed
43%
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 39%
182
Hybrid 17%
80
No Guarantees 44%
210
Other Platform Open
Institution 58%
133
Other Internet 33%
75
Preprint 31%
70
Domain 5%
11
Public 3%
7
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 90 |
arXiv | Preprint | 68 |
DOI | Other Internet | 45 |
Unknown Repository | Other Internet | 36 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 15 |
PubMed Central | Domain | 9 |
utwente.nl OAI-PMH Repository | Institution | 7 |
Zenodo | Public | 6 |
LA Referencia | Institution | 6 |
GFZ Helmholtz Centre for Geosciences | Institution | 6 |
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