000 00319 a2200121 4500
080 _a371.33
_bH 112 A
245 1 _aPreparation and use of audio-visual aids
_cby K.B. Haas and H.Q. Packer
250 _a3rd edn.
260 _c1964
650 _aAudio Visual Aids
100 1 _aHaas, K.B., Packer, H.Q.
_d
901 _a82007
999 _c23413
_d23413