TY  - BOOK
AU  - UNITED NATIONS INDUSTRIAL DEVELOPMENT ORGANIZATION
TI  - GUIDE TO PRACTICAL PROJECT APPRAISAL, SOCIAL BENEFIT COST ANALYSIS IS DEVELOPING COUNTRIES 
U1  - 657.42 N78 UNI 
PY  - 1978///
CY  - LONDON
PB  - OXFORD & IBH
ER  -