Economics of the Upland and the Inland Valley Swamp Rice Production Systems in Sierra Leone
Autor: | Karr, G. L., Njoku, A. O., Kallon, M. F. |
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Zdroj: | Illinois Agricultural Economics, 1972 Jan 01. 12(1), 12-17. |
Databáze: | JSTOR Journals |
Externí odkaz: |