京津冀区域科技创新协同机制构建研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1007-6875|40|4|95-99

ISSN: 1007-6875

Source: 河北地质大学学报, Vol.40, Iss.4, 2017-01, pp. : 95-99

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Abstract