共 50 条
- [1] THE ROLE OF UNITED-STATES AGRICULTURE IN WORLD AFFAIRS [J]. JOURNAL OF FARM ECONOMICS, 1957, 39 (05): : 1120 - 1129
- [3] WORLD FOOD PROBLEMS AND UNITED-STATES AGRICULTURE [J]. AGRICULTURAL ECONOMICS RESEARCH, 1977, 29 (01): : 25 - 26
- [4] FARMERS WORLD - UNITED-STATES YEAR BOOK OF AGRICULTURE [J]. GEOGRAPHY, 1966, 51 (233) : 409 - 409
- [5] THE ROLE OF UNITED-STATES AGRICULTURE IN WORLD AFFAIRS - DISCUSSION [J]. JOURNAL OF FARM ECONOMICS, 1957, 39 (05): : 1129 - 1133
- [8] FUTURE OF UNITED-STATES BEEKEEPING AND UNITED-STATES AGRICULTURE [J]. AMERICAN BEE JOURNAL, 1986, 126 (04): : 273 - 275