Making posters, flashcards, and charts for extension teaching
By: [by Gertrude Lenore Power]
Series: Miscellaneous publication / United States Department of Agriculture -- no.       796
Publisher: U.S. Dept. of Agriculture
Published: 1956
Place of publication: Washington, D.C
Language: eng
Number of pages: 18
Subjects: Visual education; Agricultural extension work
Notes: Cover title.