
Open Access statistics for National University, Sudan, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
57%
Total
Publications
2.1K
Total Open
Publications
1.2K
Total
Citations
74K
Open Access
Percentage
57%
Total
Publications
2.1K
Total Open
Publications
1.2K
Total
Citations
74K
Breakdown
Publisher Open
21%
Both
32%
Other Platform Open
5%
Closed
42%
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 53%
599
Hybrid 23%
265
No Guarantees 24%
270
Other Platform Open
Domain 67%
533
Institution 64%
506
Preprint 10%
77
Other Internet 7%
55
Public 1%
6
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 546 |
doaj.org OAI-PMH Repository | Institution | 367 |
DOI | Other Internet | 67 |
Office of Scientific and Technical Information | Institution | 51 |
University of Geneva | Institution | 43 |
arXiv | Preprint | 43 |
Consejo Superior de Investigaciones Científicas | Institution | 42 |
helsinki.fi OAI-PMH Repository | Institution | 34 |
Ministerio de Educación Cultura y Deporte | Institution | 30 |
Massachusetts Institute of Technology | Institution | 20 |