Audio-visual materials: Their nature and use
Wittich Walter Arno
Audio-visual materials: Their nature and use - New York, USA Harper and Brothers Publisher 1953 - xx,564p - Exploration Series in Education .
TextBook
Teaching Aids; Audio -Visual Materials
Audio-visual materials: Their nature and use - New York, USA Harper and Brothers Publisher 1953 - xx,564p - Exploration Series in Education .
TextBook
Teaching Aids; Audio -Visual Materials