PDF(1038 KB)
Regional Patterns Changes of Chinese Grain Production and Response of Commodity Grain Base in Northeast China
CHENG Ye-Qing, ZHANG Ping-Yu
GEOGRAPHICAL SCIENCE ›› 2005, Vol. 25 ›› Issue (5) : 513-520.
PDF(1038 KB)
PDF(1038 KB)
Regional Patterns Changes of Chinese Grain Production and Response of Commodity Grain Base in Northeast China
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