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Education and Research in Agriculture and Home Economics in the United States
Alfred Charles TrueUnited States. Department of Agriculture. States Relations Service
其他書名
Supplementing Exhibit of the States Relations Service, United States Department of Agriculture at the Brazil Centennial Exposition, Rio de Janeiro, Brazil, 1922-1923
出版U.S. Government Printing Office, 1923
URLhttp://books.google.com.hk/books?id=0d40AQAAIAAJ&hl=&source=gbs_api
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