Preparation and use of audio-visual aids /Kenneth B. Haas, And Harry Q. Packer.

Haas, Kenneth B.

Preparation and use of audio-visual aids /Kenneth B. Haas, And Harry Q. Packer. - Rev. and enlarged ed. - New York Prentice-Hall 1950


Christian education

Audio-visual use Christian education

268.635 / Haa
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