TY  - BOOK
AU  - Zerihun,Tadesse
TI  - Environmental economic theory and environmental economic policy in A frican agriculture / 
U1  - 333.7 
PY  - 1993///
CY  - Uppsala : 
PB  - Sveriges Lantbruksuniversitet, 
KW  - Environmental economics
KW  - Africa
KW  - Environmental aspects
KW  - Environmental policy
KW  - Agriculture
ER  -