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"Dynamical Analysis on Influencing Factors of Grain Production in Henan ..."
Bingjun Li et al. (2011)
- Bingjun Li, Chunhua He, Liping Hu, Yanhua Li:
Dynamical Analysis on Influencing Factors of Grain Production in Henan Province Based on Grey Systems Theory. Grey Syst. Theory Appl. 2(1): 45-53 (2011)
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