Trade barriers to knowledge a manual of regulations affecting educational, scientific and cultural materials.

Trade barriers to knowledge a manual of regulations affecting educational, scientific and cultural materials.

書目詳細資料
企業作者: United Nations Educational, Scientific and Cultural Organization. Division of Free Flow of Information
格式: 圖書
語言:English
出版: Paris UNESCO [1955].
版:New and rev. ed.
主題:
Tariff > Law and legislation.
Foreign trade regulation.