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The pre-warning analysis and simulation of soybean market based on supply-demand balance sheet
LIU Ai-min, YU Xiao-meng, LI Yan-ling . The pre-warning analysis and simulation of soybean market based on supply-demand balance sheet[J]. JOURNAL OF NATURAL RESOURCES, 2009 , 24(3) : 423 -430 . DOI: 10.11849/zrzyxb.2009.03.006
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