Cooperative extension work /

相似書籍

• Cooperative extension work /
  由: Kelsey, Lincoln David, 1894-
  出版: (1949)
• The cooperative extension service : an adaptable model for developing countries /
  由: Claar, J. B.
  出版: (1984)
• Agricultural extension; farm extension services in Australia, Britain and the United States of America
  由: Williams, D. B. (Donald Birtall), 1920-
  出版: (1968)
• Evaluation in extension : authors, Darcie Byrn [... et al.], editor, Darcie Byrn.
  出版: (1959)
• Extension review /
  出版: (1978)