TY  - BOOK
AU  - Shiferaw b,Freeman ha,Swinton sm
TI  - Natural resources management in agriculture: Methods for assessing economic and environmental impacts
SN  - 085199 828 3
U1  - 338.7 
PY  - 2005///
CY  - Andrapradesh
PB  - The international crops research institutes  for the semi arid tropics
ER  -