TY  - BOOK
AU  -  Williams,D.B.
TI  -  Agricultural extension : :  farm extension services in Australia, Br itain and the United States of America / 
SN  -  0522838413
U1  -  630.71/5 
PY  - 1968///
CY  -  Carlton, Vic. : 
PB  -  Melbourne University Press, 
KW  -  Agricultural extension work
N1  -  Includes index;  Bibliography: p. 205-214
ER  -