Research on the difference of influence factors of grain production in China based on grey combination model
Journal title: 广东农业科学
Authors: Wei-ming YANG, Bing-jun LI
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Journal title: 广东农业科学
Authors: Wei-ming YANG, Bing-jun LI
Subject(s):
Journal title: 广东农业科学
Authors: Wan NIE
Subject(s):
Journal title: 广东农业科学
Authors: Man-sha LIN, Liang-jun ZUO
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