Research on coordinated space development of multi-centre urban districts Research on coordinated development of urban agglomeration Research on coordinative development of urban and rural economy Research on the coordinated development model of environmental justice Research on coordinated development of the high-tech industry and regional economics Research on coordinated development of the logistics industry and regional economics Research on coordinating development and security Research on coordinated development of urbanization and small and medium-sized enterprises Research on the digital coordinated development of county urbanization