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| 2018, Vol. 35(6): 73-79 DOI: | ||
| Independent R&D, Intermediate Product Import and Technology Sophistication of Manufacturing Export | ||
| HAN Ya-feng1,2, FU Yun-jia3 | ||
| 1.College of International Economics and Business, Henan University of Economics and Law, Zhengzhou 450046, China; 2.Henan Soft Science Research Center of Regional Industrial Innovation and Development, Zhengzhou 450046, China; 3.Department of Farmer Benefiting Finance, Zhongyuan Bank, Zhengzhou 450046, China; |
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| Received 2018-11-08 Revised 2018-11-08 | ||
| Supporting info | ||
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