TY  - BOOK
AU  - SHANER, W W
TI  - Farming systems research and development: Guidelines for developing countries
T2  - Westview special studies in agriculture/aquaculture science policy
U1  - 631.11:001.814 
PY  - 1982///
CY  - Colorado
PB  - Westview
KW  - Farming systems
ER  -