共 50 条
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- [3] POLICY TOOLS FOR UNITED-STATES AGRICULTURE TEXAS AGRICULTURAL EXPERIMENT STATION BULLETIN, 1986, (1548): : 1 - 73
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- [8] POLICY IMPLICATIONS OF VERTICAL INTEGRATION IN UNITED-STATES AGRICULTURE JOURNAL OF FARM ECONOMICS, 1957, 39 (02): : 300 - 312
- [9] SOIL CONSERVATION POLICY AND LAW IN UNITED-STATES AGRICULTURE BERICHTE UBER LANDWIRTSCHAFT, 1993, 71 (04): : 653 - 670