HISTORICAL SOURCES OF UNITED-STATES AGRICULTURAL PRODUCTIVITY - IMPLICATIONS FOR R-AND-D POLICY AND SOCIAL-SCIENCE RESEARCH

被引:10
作者
BONNEN, JT
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D O I
10.2307/1240399
中图分类号
F3 [农业经济];
学科分类号
0202 ; 020205 ; 1203 ;
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页码:958 / 966
页数:9
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