00715nam0-22002771i-450-990003953370403321333-11865-0000395337FED01000395337(Aleph)000395337FED0100039533720030404d1973----km-y0itay50------bausaUS<<a >>perspective <<of>> welfare economicsMacmillanNew York73 cm$ccon grafici21 cmNath,S. K.148810ITUNINARICAUNIMARCBK990003953370403321D6.135777DECTSDECTSPerspective welfare economics513413UNINA