541
Haas, Kenneth Brooks
8981-
Preparation and use of audio-visual aids
New York
Prentice-Hall
1955
x, 381p.: illus
]by[ Kenneth B. Hass ]and[ Harry Q. Packer. Drawing by Bert Paul Kuhn
3rd ed.
، Audio-visual education
LB
1043
.
H3
1955
AU
AU Packer, Harry Q. joint author
TI
Medicine
