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Manual of the General Conference : 1967 Edition, Including Texts and Amendments Adopted by the General Conference at Its 14th Session (Paris, 1966)
Unesco
Unesco. General Conference (14th session : 1966)
出版
UNESCO
, 1966
URL
http://books.google.com.hk/books?id=r9yftAEACAAJ&hl=&source=gbs_api
