Evaluation in extension. - United States. Federal Extension Service. Division of Extension Research and Training; United States. Federal Extension Service. Division of Field Studies and Training ([Washington, U.S. Govt. Print. Off.], 1956)
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.
Keywords: Agricultural extension work