TY  - BOOK
AU  - Gregersen,H.M.
TI  - Guidelines for economic appraisal of watershed management projects / (Acc: 1677)
SN  - 925102555X
U1  - 333.9 GRE 20
PY  - 1987///
CY  - Rome
PB  - FAO
KW  - Watershed management
ER  -