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Cooperative Extension Organization and Administration
Daniel C. PfannstielBarbara H. Matthews
其他書名
Selected Papers Presented at Madison, Wisconsin, May 15-19, 1967
出版University Extension, University of Wisconsin, National University Extension Center, 1968
URLhttp://books.google.com.hk/books?id=6iI2AAAAMAAJ&hl=&source=gbs_api