6123357
9781602792272
There have been many advances developed to help improves peoples hearing. How have these advances occurred? What role has innovation played in their development? This book helps kids understand the concept of innovation and how it can be used to help overcome and solve many problems.Gray, Susan H. is the author of 'Hearing', published 2009 under ISBN 9781602792272 and ISBN 1602792275.
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