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Wittich, Walter A. 4 0 1910-

Audiovisual materials: their nature and use, 6 6 by Walter Arno Wittich and Charles Francis Schuller. - 3d ed. - New York, Harper [1962] - 500 p. illus. 25 cm. - - - - - . - Exploration series in education . - 0 . - . - 0 .







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ISSN: 2 = =

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LCCN: 62008881

Nat. Bib. No.: 2

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LC Class. No.: LB1043 / .W58 19622

Dewey Class. No.: 371.33 / 2

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