TY  - BOOK
AU  - UNIDOV,.
TI  - Guide to practical project appraisal social benefit-cost analysis in developing countries / 
U1  - 334.7 
PY  - 1978///
CY  - New Delhi : 
PB  - Oxford and IBH Publishing , 
KW  - BENEFIT SCIENTIST
N1  - Includes index
ER  -