共 50 条
- [32] UNITED-STATES AGRICULTURE - CHANGE AND PROGRESS RIVISTA INTERNAZIONALE DI SCIENZE ECONOMICHE E COMMERCIALI, 1978, 25 (02): : 104 - 118
- [33] PRODUCTIVITY AND STRUCTURE IN UNITED-STATES AGRICULTURE AGRICULTURAL ECONOMICS RESEARCH, 1985, 37 (03): : 1 - 11
- [34] UNITED-STATES AGRICULTURE - GIANT IN CHAINS COLUMBIA JOURNAL OF WORLD BUSINESS, 1965, 1 (FAL): : 73 - 79