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Plan of Work, Extension Service in Agriculture and Home Economics, 1948, Nov. 1, 1947-Oct. 31, 1948, College of Agriculture, Rutgers University, the State University of New Jersey Cooperating with the United States Dept. of Agriculture
Rutgers University. Extension Service
出版1947
URLhttp://books.google.com.hk/books?id=V2GUGwAACAAJ&hl=&source=gbs_api