Regional economic planning : techniques of analysis for less developed areas; papers and proceedings of the first study conference on problems of economic development organized by the European Productivity Agency - Organisation for European Economic Co-operation; Isard, Walter; Cumberland, John H.; Organisation for European Economic Co-operation European Productivity Agency (Paris : European Productivity Agency of the Organisation for European Economic Co-operation, 1961)
Keywords: Economic policy -- Congresses; Regional planning -- Congresses