TY  - BOOK
ED  - United Nations industrial development organizations
TI  - Guide to practical project appraisal: social benefit-cost analysis in developing countries
SN  - NA
U1  - 658.404 UNI 
PY  - 1978///
CY  - New York
PB  - United Nations
KW  - Project appraisal
N1  - Includes index
ER  -