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  2018, Vol. 0 Issue (7): 26-36    DOI:
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Effect on Government Procurement Policies on Innovative Activities of High-tech Enterprises
Ma Chengjun1,2,Wang Jianguo1,2,Yang Yingmei1,2,Liu Jie1,2
1.School of Economics and Management,Beijing Information Science and Technology University,Beijing 100192,China;
2.Beijing Key Lab of Green Development Decision Based on Big Data,Beijing 100192,China
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