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China Knowledge Resource Integrated Databases (CNKI): Series F, G, J
China National Knowledge Infrastructure Dedicated to the mass digitalization of China knowledge resources, as well as creating the platform for global dissemination and value-added services, Started and first launched in June 1999 by Tsinghua University and Tsinghua Tongfang Holding Group, Supported by Education Ministry, Science and Technology Ministry, Propaganda Ministry and General Administration of Press and Publications.