TY  - BOOK
AU  - Chesnaís,Pierre
TI  - Nothing to declare: a practical guide to using the internacional conventions or the international circulation and importation of visual and 
AV  - LB1043Ch4.6 
PY  - 1982///
CY  - París
PB  - UNESCO
KW  - Materiales audiovisuales
N1  - "Division of structures, content, methods, and techniques of education"
ER  -