TY  - BOOK
AU  - Pearce,David W.
AU  - Nash,C.A.
TI  - The social appraisal of projects: a text in Cost-benefit analysis 
SN  - 0333193040
PY  - 1981///
CY  - London
PB  - MacMillan
KW  - Cost effectiveness
KW  - Welfare economics
ER  -