Classification key
1925
AGROVOC关键词
书目信息
Extension specialists
出版者 Washington, D.C. : Office of Cooperative Extension Work, 1921
出版者
Office of Cooperative Extension Work,
语言
英语
注释
Office of Cooperative Extension Work
At head of title : cooperative extension work in agriculture and home economics
"u.s. department of agriculture and state agricultural colleges cooperating" -- page one
"to be used as a basis of classification of material on extension for the extension service handbook and will be printed and issued as an appendix." -- page one
"c.r. barnett, dept. library" - handwritten in block print, page one
副标题
1. extension
类型
Government Publication; Text; Monographic
团体作者
United States. Office of Cooperative Extension Work.
2023-09-27
2025-04-24
MODS
