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
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