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Google圖書搜尋
Extension Development Around the World
United States. Federal Extension Service
其他書名
Guidelines for Building Extension Organizations and Programs
出版
Federal Extension Service, U.S. Department of Agriculture
, 1962
URL
http://books.google.com.hk/books?id=uayYTZzvy5kC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN