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Report of the Director-General on the Activities of the Organization in 1986-1987 Communicated to Member States and the Executive Board in Accordance with Article VI.3.b of the Constitution
UnescoUnesco. General Conference (25th session : 1989 : Paris, France)
出版Unesco, 1988
ISBN92310257329789231025730
URLhttp://books.google.com.hk/books?id=Wu93AAAACAAJ&hl=&source=gbs_api