基于离散灰色DGM(1,1)模型的中国锰矿进口数量预测研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-8806|28|4|29-34

ISSN: 1008-8806

Source: 广西经济管理干部学院学报, Vol.28, Iss.4, 2016-01, pp. : 29-34

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Abstract