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Report by the Executive Board to the General Conference on the Implementation of Document 33 C/5 Together with the Results Achieved in the Previous Biennium (34 C/3).

Unesco. Executive Board

出版	Unesco, Executive Board, 2007
URL	http://books.google.com.hk/books?id=3mDNtAEACAAJ&hl=&source=gbs_api