01146nam a22002771i 450099100066809970753620040121164350.0040220s1967 xxua||||||||||||||||eng b12652416-39ule_instARCHE-065076ExLDip.to Scienze pedagogicheitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.001.553Wittich, Walter Arno482601Audiovisual materials :their nature and use /Walter Arno Wittich, Charles Francis Schuller4. ed.New York [etc.] :Harper & Row ;Tokyo :Weatherhill,1967XVI, 554 p. :ill. ;27 cmExploration series in educationMezzi audiovisiviSchuller, Charles Francisauthorhttp://id.loc.gov/vocabulary/relators/aut733757.b1265241602-04-1417-03-04991000668099707536LE022 MP 64 F 1012022000025409le022-E0.00-l- 00000.i1315824717-03-04Audiovisual materials1446932UNISALENTOle02217-03-04ma -engxxu01