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.

Manylion Llyfryddiaeth
Awdur Corfforaethol: United Nations Educational, Scientific and Cultural Organization. Division of Free Flow of Information
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Paris UNESCO [1955].
Rhifyn:New and rev. ed.
Pynciau:
Tariff > Law and legislation.
Foreign trade regulation.