TY  - BOOK
AU  - Hansen, John R.
TI  - Guide to practical project appraisal: social benefit-cost analysis in developing countries
U1  - 658.4 
PY  - 1978///
CY  - New Your
PB  - Oxford & IBH publi.
KW  - Development organization
KW  - Social benefit-cost analysis
KW  - project appraisal
ER  -