共 50 条
- [45] THE BRITISH COMMONWEALTH AND EUROPEAN ECONOMIC CO-OPERATION ECONOMIC JOURNAL, 1949, 59 (235): : 307 - 325
- [46] International Co-operation in agricultural machinery testing CONFERENCE: AGRICULTURAL ENGINEERING, 1998, 1449 : 319 - 320
- [47] SMALL HOLDINGS AND AGRICULTURAL CO-OPERATION IN ENGLAND QUARTERLY JOURNAL OF ECONOMICS, 1910, 24 (03): : 499 - 514
- [50] Agricultural research for development - International co-operation WORK SCIENCES IN SUSTAINABLE AGRICULTURE, 1999, : 478 - 481