Effective audio-visual :A user's handbook
Simpson,Robert S.
Effective audio-visual :A user's handbook - London: Focal Press, 1987. - 208p.; 24 cm
0-240-51254-5
Engineering
621.380282 / SIM
Effective audio-visual :A user's handbook - London: Focal Press, 1987. - 208p.; 24 cm
0-240-51254-5
Engineering
621.380282 / SIM