: techniques of analysis for less developed areas : papers and proceedings of the first study conference Conference on Problems of Economic Development ( : 1960 : Bellagio, Italia) creator Cumberland, John H. ed. Isard, Walter. European Productivity Agency text conference publication Paris Organisation for Economic Co-operation and Development 1961 monographic 450 p. Desarrollo económico Países subdesarrollados Política económica 338.9 C6 25868 971013 20220817041829.0