PDF(647 KB)
SOME BASIC PROBLEMS OF THE EFFECTIVE UTILIZATION EVALUATION OF AGRICULTURAL RESOURCES
Xu Yong
GEOGRAPHICAL SCIENCE ›› 1999, Vol. 19 ›› Issue (2) : 171-175.
PDF(647 KB)
PDF(647 KB)
SOME BASIC PROBLEMS OF THE EFFECTIVE UTILIZATION EVALUATION OF AGRICULTURAL RESOURCES
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