The Singer: Artist and Artisan
| Autor: | Jahn, Anthony F., Cho, Youngnan Jenny |
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| Přispěvatelé: | Jahn, Anthony F., Cho, Youngnan Jenny |
| Zdroj: | Keep Your Singing Voice Healthy!: The Doctor's Guide to Vocal Vitality and Longevity. |
| Databáze: | Oxford Scholarship Online |
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