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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.

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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.

ALTERNATIVE TWO-PHASE VARIANCE ESTIMATORS IN THE PRESENCE OF RANDOM NONRESPONSE

2025FUDMA Journal of SciencesJournalOpen access

10.33003/fjs-2025-0909-3824 Full text0 citations

Authors

3 authors across 3 institutions in 2 countries.

Isah MuhammadFirst author
- Binyaminu Usman Polytechnic (NG)
M. B. Suleiman
- The Federal Polytechnic, Ado-Ekiti (NG)
as printed: Mujtaba Suleiman
Mannir AbduSenior author
- The Federal Polytechnic, Ado-Ekiti (NG)

Fields

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

Survey Sampling and Estimation Techniqueslevel 3 · 1.00
Statistical Methods and Bayesian Inferencelevel 3 · 0.00
Census and Population Estimationlevel 3 · 0.00

Sources

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

openalexseen September 9, 2026
2025 · FUDMA Journal of Sciences · 0 citations
https://openalex.org/W7128485184

ALTERNATIVE TWO-PHASE VARIANCE ESTIMATORS IN THE PRESENCE OF RANDOM NONRESPONSE · Sankore