TY  - BOOK
AU  - Chawla,Krishan
TI  - Social cost benefit analysis / 
SN  - 817099022X
U1  - 658.1554 
PY  - 1990///
CY  - New Delhi : 
PB  - Mittal Publications , 
KW  - COST EFFECTIVENESS
N1  - NULL
ER  -