Nothing to declare : a practical guide to using the internacional conventions or the international circulation and importation of visual and /
Chesnaís, Pierre
Nothing to declare : a practical guide to using the internacional conventions or the international circulation and importation of visual and / or auditory materials of an educational, scientific on cultural character / by Pierre Chesnaís. - París : UNESCO, 1982. - 20, 6 p. - ED - 81/WS/97 .
"Division of structures, content, methods, and techniques of education".
Materiales audiovisuales
Nothing to declare : a practical guide to using the internacional conventions or the international circulation and importation of visual and / or auditory materials of an educational, scientific on cultural character / by Pierre Chesnaís. - París : UNESCO, 1982. - 20, 6 p. - ED - 81/WS/97 .
"Division of structures, content, methods, and techniques of education".
Materiales audiovisuales