Cocharan, Lee W Dekieffer, R.E.
Manual of audio visual techinque - USA, Prentice -Hall Inc 1955 - 254
Audio - visual techniques/ teaching meterials - projected/ teaching meterials - non projected
371.335 020 2 DEK
100
Manual of audio visual techinque - USA, Prentice -Hall Inc 1955 - 254
Audio - visual techniques/ teaching meterials - projected/ teaching meterials - non projected
371.335 020 2 DEK
100