Use of visual aids in cooperative extension work in agriculture and home economics
By: by J.E. McClintock
Series: Extension Service circular -- 343; Extension Service circular -- 343.
Publisher: U.S. Dept. of Agriculture, Extension Service
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 26
Subjects: Agriculture; Study and teaching; Audio-visual aids; Home economics extension work
Notes: "October 1940."