TY  - BOOK
ED  - United States.
ED  - United States.
TI  - Evaluation in extension
AV  - S544 .A5144 1956
PY  - 1956///
CY  - [Washington
PB  - U.S. Govt. Print. Off.]
KW  - Agricultural extension work
N1  - Cover title; Published in 1949 by the Division of Field Studies and Training of the Service under its former name, Extension Service, under title: Extension evaluation; what it is, how it is done, its use; Bibliographical footnotes
ER  -