TY  - BOOK
AU  - Simpson, James R
TI  - The economics of livestock systems in developing countries: farm and project level analysis
U1  - 636 S5 
PY  - 1988///
CY  - Boulder, Colorado
PB  - Westview
KW  - GanaderÃ­a
KW  - Aspectos econÃ³micos
KW  - PaÃ­ses subdesarrollados I. t.: Livestock systems
ER  -