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1Yazar: Wittich, Walter Arno, 1910-Diğer Yazarlar: “…Schuller, Charles Francis…”
Baskı/Yayın Bilgisi 1979
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2Yazar: Wittich, Walter Arno, 1910-Diğer Yazarlar: “…Schuller, Charles Francis…”
Baskı/Yayın Bilgisi 1973First-4th ed. published under title: Audiovisual materials.
Supplemented by: "Student production guide/ Walter A. Wittich...[et al.]" (308 p. : ill. ; 24 cm.) published: New York, Harper & Row, 1975. 5th ed. Call number: LB1028.3.W57 1973 Suppl.
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