00878cam0-2200313---450-99000488220040332120080520115001.0000488220FED01000488220(Aleph)000488220FED0100048822019990604d1963----km-y0itay50------baengGBy-------001yyTeaching foreign languages in schoolsthe silent wayC. GattegnoReadingEducational explorers1963X, 84 p.22 cmModern languageLingue straniereInsegnamento418.007Gattegno,Caleb47108ITUNINARICAUNIMARCBK990004882200403321418.007 GAT 1FLFBCFLFBCTeaching foreign languages in schools519964UNINA