Haas, Kenneth Brooks, 4 0 1898-

Preparation and use of audio-visual aids 6 6 [by] Kenneth B. Haas [and] Harry Q. Packer. Drawings by Bert Paul Kuhn. - 3d ed. - - 381 p. illus. 24 cm. - - - - - . - . - 0 . - . - 0 .







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55007628

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Audio-visual education. --------20--


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LB1043 / .H3 19552

371.335 / 2

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