Making posters, flashcards, and charts for extension teaching
Series: United States. Dept. of Agriculture. Miscellaneous publication -- no. 796; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 796
Publisher: U.S. Govt. Print. Off.]
Published: 1956
Place of publication: [Washington
Language: eng
Number of pages: 18
Subjects: Visual education; Agricultural extension work