Londero, Elio Benifits and beneficiaries: An introduction to estimating di - 2nd ed - Washington Inter-American Development Bank 1996 - vii; 304p;pbk ISBN: 0-940602-23-7 Subjects--Topical Terms: Cost effectivenessWelfare economicsGeneral economicsEconomics Dewey Class. No.: 330.1556/LON