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.

Role of Vaccines in Controlling the Spread of COVID-19: A Fractional-Order Model

2023VaccinesJournalOpen access

10.3390/vaccines11010145 Full text24 citations

Authors

3 authors across 4 institutions in 4 countries.

Isa Abdullahi BabaFirst author
- Bayero University Kano (NG)
as printed: Isa Baba
Usa Wannasingha HumphriesCorresponding
as printed: Usa Humphries
Fathalla A. RihanSenior author
- Helwan University (EG)
as printed: Fathalla Rihan

Fields

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

Fractional Differential Equations Solutionslevel 3 · 1.00
COVID-19 epidemiological studieslevel 3 · 1.00
Mathematical and Theoretical Epidemiology and Ecology Modelslevel 3 · 0.99

Sources

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

openalexseen September 9, 2026
2023 · Vaccines · 24 citations
https://openalex.org/W4313893977

Role of Vaccines in Controlling the Spread of COVID-19: A Fractional-Order Model · Sankore