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1New Delhi : Dept. of Agricultural Research and Education, Ministry of Agriculture, Gov't of India.v. : ill. ; 25 cm.主題: “...Agricultural education India Periodicals....”
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2出版 1980### CRL customization ### ?> ### Add publisher and desc details ### ?>New Delhi, Govt. of India, Dept. of Agricultural Research and Education, Ministry of Agriculture, -1980.v. ill. 21 cm.主題: “...Agricultural education India Periodicals....”