共 50 条
- [5] INFORMAL LEADERS AND TECHNOLOGICAL CHANGE IN AGRICULTURE [J]. SOCIOLOGICAL BULLETIN, 1968, 17 (02) : 133 - 140
- [6] ENVIRONMENT FOR TECHNOLOGICAL CHANGE IN SOVIET AGRICULTURE [J]. AMERICAN ECONOMIC REVIEW, 1966, 56 (02): : 145 - 158
- [8] GROWTH AND TECHNOLOGICAL-CHANGE IN AGRICULTURE - COMMENT [J]. ECONOMIC RECORD, 1974, 50 (132) : 616 - 619