On ratio method of estimation in a heirarchical sample survey design [microform]
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | Visual Material |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Quezon City
Photoduplication Service
University of the Philippines Library, 1973.
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| Ábhair: |