TY  - BOOK
AU  - Byrn, Darcie.
ED  - United States.
TI  - Evaluation in extension
AV  - S544 .A5144 1959
U1  - 630.717 
PY  - 1965///
CY  - Topeka, Kansas
PB  - H.M. Ives and Sons Incorporated
KW  - Agricultural extension work
N1  - Includes bibliographies
ER  -