Classification key
1924
AGROVOC关键词
书目信息
出版者
Office of Cooperative Extension Work,
语言
英语
注释
Office of Cooperative Extension Work
Cover title.
At head of title : cooperative extension work in agriculture and home economics
"u.s. department of agriculture and state agricultural colleges cooperating" -- cover
"to be used as a basis of classification of material on agricultural economics for the extension service handbook and will be printed and issued as an appendix." -- cover
"1799 (10-29-24)" -- cover
"1700" -- lower left-hand corner of every page
副标题
2. agricultural economics
类型
Government Publication; Text; Monographic
团体作者
United States. Office of Cooperative Extension Work.
2024-05-14
2025-04-22
MODS
