ID:DA07498952
Unesco. Dept. of Mass Communications. Division of Free Flow of Information
Unesco. Division de la libre circulation de l'information
United Nations Educational, Scientific and Cultural Organization. Division of Free Flow of Information
United Nations Educational, Scientific, and Cultural Organization. Division of Free Flow of Information
同姓同名の著者を検索
Gower Press , Unipub 1975 [5th ed.]
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Unesco 1956
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Unesco 1955 New and rev. ed
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Unesco c1951
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this report was prepared in the Division of Free Flow of Information, Department of Mass Communications, UNESCO. It was produced under the direction of Albert A. Shea, Research Fellow of the Canadian Dafoe Foundation.
Unesco 1950 Publication of the United Nations Educational, Scientific and Cultural Organization no. 700
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