Marginal resource productivity for agriculture in selected areas of South Africa and the United States
Year of publication: |
1954
|
---|---|
Authors: | Heady, Earl O. ; Toit, Schalk du |
Published in: |
Journal of political economy. - Chicago, Ill. : Univ. Press, ISSN 0022-3808, ZDB-ID 3026-0. - Vol. 62.1954, 6, p. 494-505
|
Subject: | Agrarwirtschaft | Vereinigte Staaten Südafrikanische Union |
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