Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Performance Variability of Polycrystalline Photovoltaic Modules under Monthly Climatic Fluctuations in Calabar, Nigeria

2025Trends in Renewable EnergyJournalOpen access

10.17737/tre.2026.12.1.00195 Full text0 citations

Authors

3 authors across 2 institutions in 1 country.

Julie C. OgbulezieFirst author
- University of Calabar (NG)
as printed: Julie Ogbulezie
Samuel Chukwujindu Nwokolo
- University of Calabar (NG)
as printed: Samuel Nwokolo
A. O. NjokSenior author
- University of Cross River State (NG)
as printed: Armstrong Njok

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Photovoltaic System Optimization Techniqueslevel 3 · 0.48
Solar Radiation and Photovoltaicslevel 3 · 0.37
Solar Thermal and Photovoltaic Systemslevel 3 · 0.08

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2025 · Trends in Renewable Energy · 0 citations
https://openalex.org/W4416052027

Performance Variability of Polycrystalline Photovoltaic Modules under Monthly Climatic Fluctuations in Calabar, Nigeria · Sankore