TY  - BOOK
AU  - Yang,W.Y.
ED  - Food and Agriculture Organization of the United Nations (Rome)
TI  - Methods of farm management investigations: for improving farm productivity 
U1  - 631.1 
PY  - 1958///
CY  - Rome
PB  - FAO
KW  - Farm management
KW  - Farm produce
KW  - Marketing
KW  - Agriculture
KW  - Economic aspects
KW  - Research
N1  - Bibliography: p. 225-228
ER  -