TY  - BOOK
AU  - Nas, Tevfik F..
TI  - Cost-benefit analysis / 
SN  - 0-8039-7133-8
U1  - X:8k 
PY  - 1977///
CY  - New Delhi : 
PB  - Sage Publications India Pvt Ltd , 
KW  - Project evaluation
ER  -