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 .
5
5
2 = =
55007628
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Audio-visual education. --------20--
--------20--
----2
LB1043 / .H3 19552
371.335 / 2
/
/
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 .
5
5
2 = =
55007628
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Audio-visual education. --------20--
--------20--
----2
LB1043 / .H3 19552
371.335 / 2
/
/