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Yang Zhongji , 2014. Dynamic Analysis of Regional R and D Efficiency in China Based on DEA and SFA Approaches. Journal of Applied Sciences, 14: 3023-3027.
DOI: 10.3923/jas.2014.3023.3027
URL: https://scialert.net/abstract/?doi=jas.2014.3023.3027
DOI: 10.3923/jas.2014.3023.3027
URL: https://scialert.net/abstract/?doi=jas.2014.3023.3027