TY  - BOOK
AU  - Horton, D
TI  - Tips for planning formal farm surveys development countries
AV  - S563.H6 1990 
PY  - 1990///
CY  - Ibadan
PB  - IITA
KW  - farm survey
KW  - Developing countries
KW  - farm design
KW  - farm planning
ER  -