00934nam0-22003131i-450-99000385257040332120090618102402.0000385257FED01000385257(Aleph)000385257FED0100038525720030910d1962----km-y0itay50------baengIT<<The >>theory of economic progressa study of the fundamentals of economic development and cultural changeC.E. Ayres2nd ed.New YorkSchocken Books1962.xxxi, 317 p.21 cmSchocken paperbacks33Sviluppo economicoTecnologia e crescita economicaAyres,Clarence EdwinITUNINARICAUNIMARCBK990003852570403321F/3.2 AYR025762SESSESTheory of economic progress515401UNINA