TY  - BOOK
AU  - Williams,Donald B.
TI  - Agricultural extension: farm extension services in Australia, Britain and the United States of America
SN  - 0522838413
AV  - S544 .W49
PY  - 1968///]
CY  - [Carlton, Vic.]
PB  - Melbourne University Press
KW  - Agricultural extension work
ER  -