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    Change and convergence of innovation efficiency among listed health companies in China: Empirical study based on the DEA–Malmquist model

    Change and convergence of innovation efficiency among listed health companies in China: Empirical study based on the DEA–Malmquist model oleh Yanqi Han, Minghui Hua, Malan Huang, Jin Li, Shixiong Cheng, Xihang Wei

    Diterbitkan 2023-03-01
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