Collaborative innovation in the Yangtze River economic belt Urbanization innovation of yangtze river economic belt based on the Yangtze river economic belt Land use and economic integration of the Yangtze River economic belt Annual report on development of Yangtze River economic belt Report of coordinated balanced development index in the Yangtze river economic belt Research on low carbon development in the upper Yangtze River economic belt report of coordinated balanced development index in the Yangtze River economic belt Report on the green development of Yangtze River economic belt Nual report on industrial development in Yangtze River economic belt