TY  - BOOK
AU  - Yang,W.Y.
ED  - Food and Agriculture Organization of the United Nations.
TI  - Methods of farm management investigations for improving farm productivity
T2  - FAO agricultural development paper
SN  - 9251010161
PY  - 1965///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Farm management
ER  -