Program for the 1950 world census of agriculture.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Rome :
Food and Agriculture Organization of the United Nations,
1948.
|
| Pynciau: |
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