PDF(2162 KB)
Discussion on Self-sufficient Rate of Grain in China based on the Grey Series G (1, 1) Model
LUO Hongyan, RAN Qinghong, WEI Chaofu, XIE Deti, YUE Yunhua
Resources Science ›› 2009, Vol. 31 ›› Issue (5) : 844-852.
PDF(2162 KB)
PDF(2162 KB)
Discussion on Self-sufficient Rate of Grain in China based on the Grey Series G (1, 1) Model
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