An Empirical Study of Technology Innovation Efficiency of Regional High-Tech Industry Based on DEA-Malmquist Index Approach
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2011 ◽
Vol 10
(8)
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pp. 1484-1497
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2015 ◽
Vol 6
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pp. 49-52
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2020 ◽
Vol 369
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pp. 112597
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2007 ◽
Vol 39
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pp. 3
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