TY  - BOOK
AU  - Deren, Barry J., Jt. Ed.
AU  - Ward, William A., Ed.
TI  - The Economics of fproject analysis : A practitioner's guide
U1  - W 338.900684 
PY  - 1991///
CY  - Washington,USA
PB  - World Bank
KW  - Economic development projects-Developing
ER  -