PDF(335 KB)
Regional Differentiation of Grain Production of Commodity Grain Bases in the Northeast China
CHENG Ye-qing, ZHANG Ping-yu
JOURNAL OF NATURAL RESOURCES ›› 2005, Vol. 20 ›› Issue (6) : 925-931.
PDF(335 KB)
PDF(335 KB)
Regional Differentiation of Grain Production of Commodity Grain Bases in the Northeast China
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