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1出版 1976East Lansing : Dept. of Agricultural Economics, Michigan State University, 1976.v, 103 p. : map.“...Sahel, documents and dissertations ;...”
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2由 Sargent, Merritt
出版 1979East Lansing : Department of Agricultural Economics, Michigan State University, 1979.50 p.“...Sahel, documents and dissertations ;...”
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3由 De Benko, Eugene
出版 1978East Lansing : Sahel Documentation Center, Michigan State University Libraries, 1978.[47] p. in various pagings.“...Sahel, documents and dissertations ;...”
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4由 Idachaba, Francis Sulemanu
出版 1973[East Lansing : Dept. of Agricultural Economics, Michigan State University], 1973.30 p. : ill.“...Sahel, documents and dissertations ;...”
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5由 Norman, D. W. (David W.)
出版 1979East Lansing : Dept. of Agricultural Economics, Michigan State University, 1979.x, 127 p. : maps.“...Sahel, documents and dissertations ;...”
