Haas, Kenneth Brooks.
Preparation and use of audio-visual aids / Kenneth Brooks Haas and Harry Q. Packer. - 3rd ed. - New York : Prentice-Hall, 1955 - xii, 381 p. : ill. ; 24 cm.
Includes index.
92 92
Methods of instruction and study.
371.33 / H111p
Preparation and use of audio-visual aids / Kenneth Brooks Haas and Harry Q. Packer. - 3rd ed. - New York : Prentice-Hall, 1955 - xii, 381 p. : ill. ; 24 cm.
Includes index.
92 92
Methods of instruction and study.
371.33 / H111p