Fireworks crackle and boom in the sky. Your friend laughs at a joke. Sounds are all around you. But what exactly is sound? And how does sound reach your ears? Read this book to find out!
Bahasa Inggris ● Format PDF ● ISBN 9780761372240 ● Penerbit Lerner Publishing Group ● Diterbitkan 2011 ● Diunduh 3 kali ● Mata uang EUR ● ID 5833061 ● Perlindungan salinan Adobe DRM
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