TY  - BOOK
AU  - Dasgupta,Ajit K.
AU  - Pearce,David W.
TI  - Cost-benefit analysis: theory and practice 
SN  - 0333113977
PY  - 1972///
CY  - London
PB  - Macmillan Education
KW  - Welfare economics
KW  - Cost effectiveness
ER  -