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  2019, Vol. 0 Issue (7): 11-18    DOI:
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The Impact of R&D Input Intensity and Allocation Structure on the Efficiency of R&D Activities in Western Underdeveloped Provinces   ——Taking Ningxia As An Example
Miao Guanjun, Su Yang, Zhang Qingxia
Ningxia Institute of Science and Technology for Development and Information,Yinchuan 750002,China
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