TY  - BOOK
ED  -  Food and Agriculture Organization of the United Nations.
TI  -  Population concepts in farm management courses
SN  -  9251004714
PY  - 1977///
CY  -  Rome : 
PB  -  Food and Agriculture Organization of the United Nations, 
KW  -  Demography
KW  -  Study and teaching
KW  -  Farm management
N1  -  Bibliography: p. 27
ER  -