TY  - BOOK
AU  - Simpson, James R.
TI  - The economics of livestock systems in developing countries: ; farm and project level analysis
SN  - 9780367291563
U1  - 631.416 
PY  - 1988///,
CY  - New York
PB  - Routledge
KW  - Livestock systems-Economic aspects-Developing countries
ER  -