00931nam0-22003251i-450-99000395844040332120080220132309.00-04-338059-X000395844FED01000395844(Aleph)000395844FED0100039584420030910d1973----km-y0itay50------baengGBCost benefit and cost effectivenessstudies and analysisedited by J.N. WolfeLondonGeorge Allen & Unwinc1973236 p.con grafici22 cmUnwin University booksAnalisi costi-beneficiWolfe,James NathanielITUNINARICAUNIMARCBK990003958440403321D6.756163DECTSB/3.5 COS5571/ISESDECTSSESCost benefit and cost effectiveness513052UNINA