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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.

Modified Classes of Stratified Exponential Ratio Estimators of Population Mean with Equal Optimal Efficiency

2023Journal of Modern Applied Statistical MethodsJournalOpen access

10.56801/jmasm.v23.i1.9 Full text5 citations

Authors

3 authors across 3 institutions in 1 country.

Etebong P. ClementFirst author
- University of Uyo (NG)
Emmanuel J. Ekpenyong
- Michael Okpara University of Agriculture (NG)
Matthew J. IsehSenior author
- Akwa Ibom State University (NG)

Fields

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

Survey Sampling and Estimation Techniqueslevel 3 · 1.00

Sources

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

openalexseen September 9, 2026
2023 · Journal of Modern Applied Statistical Methods · 5 citations
https://openalex.org/W4391455782

Modified Classes of Stratified Exponential Ratio Estimators of Population Mean with Equal Optimal Efficiency · Sankore