Study of the economic integration development in the Yangtze Delta Data report on economic and social development in the yangtze river delta Data report on economic and social development in the Yangtze River Delta 并列题名：Data report on economic and social development in the yangtze river delta Strategic path of the integrated regional development of the yangtze river delta 并列题名：Data report on economic and social development in the Yangtze River Delta 并列题名：Report on economic and social development data in the Yangtze River Delta Study on the mechanism of administrative integration development in the Yangtze river delta urban agglomeration Report on economic and social development data in the Yangtze River Delta 并列题名：Strategic path of the integrated regional development of the yangtze river delta