TY  - BOOK
AU  - Kenneth. B Haas
AU  -  Harry. G Packer, 
TI  - Preparation and use of Audio-Visual Aids
U1  - 371.33 
PY  - 1962///
CY  - Englewood Cliffs
PB  - Prentice Hall International, Inc
N1  - Kenneth. B Haas & Harry. G Packer: Preparation and use of Audio-Visual Aids..  (3rd Edition.)  Englewood Cliffs.  Prentice Hall International, Inc, 1962.--(371.33HAA)
ER  -