Research on the convergence of industrial labor productivity in China Research on growth potential of provincial carbon productivity in China Research on the competence of teaching researchers in China Research on the development of sil ver industry in China Research on the theory and practice of urban space production in China Research on the development of alfalfa industry in China Research on the influence of ESOP to total factor productivity of enterprises Research on the changing of university institution in China Research on the construction of rural governance system in China Research on the convergence of Chinese mainstream media