Open Access statistics for Petroleum Training Institute, Nigeria, covering academic research published from 2001 to 2025. Read More.
Open Access Percentage
70%
Total
Publications
235
Total Open
Publications
165
Total
Citations
1.8K
Open Access
Percentage
70%
Total
Publications
235
Total Open
Publications
165
Total
Citations
1.8K
Breakdown
Publisher Open
53%
Both
15%
Other Platform Open
2%
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 24%
37
Hybrid 43%
68
No Guarantees 33%
52
Other Platform Open
Institution 52%
22
Other Internet 21%
9
Domain 17%
7
Public 14%
6
Preprint 10%
4
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 20 |
Unknown Repository | Other Internet | 8 |
PubMed Central | Domain | 7 |
DOI | Other Internet | 7 |
Zenodo | Public | 5 |
Research Square | Preprint | 3 |
Europe PMC | Domain | 2 |
Utrecht University | Institution | 1 |
Universitas Syiah Kuala | Institution | 1 |
RELX Group (Netherlands) | Institution | 1 |
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