AN EXPLORATORY-STUDY OF FARMERS CHOICE OF CROPS IN CENTRAL SUDAN

被引:12
作者
BRIGGS, J
机构
关键词
D O I
10.2307/621821
中图分类号
P9 [自然地理学]; K9 [地理];
学科分类号
0705 ; 070501 ;
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页码:170 / 180
页数:11
相关论文
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