共 50 条
- [1] COMMENTS ON ECONOMIC OBSTACLES AND FARMERS ATTITUDES TOWARD SOIL CONSERVATION PRACTICE ADOPTION JOURNAL OF FARM ECONOMICS, 1960, 42 (02): : 370 - 376
- [6] A REPLY TO - COMMENTS ON ECONOMIC OBSTACLES AND FARMERS ATTITUDES TOWARD SOIL CONSERVATION PRACTICE ADOPTION JOURNAL OF FARM ECONOMICS, 1960, 42 (02): : 376 - 378