Audio - visual materials : Their nature and use
Wittich Walter Arno
Audio - visual materials : Their nature and use - 2 - New York, USA Harper and Brothers Publishers 1957 - xxvii,570p - Exploration series in education .
Textual
Audio - visual materials : Their nature and use - 2 - New York, USA Harper and Brothers Publishers 1957 - xxvii,570p - Exploration series in education .
Textual