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APA Citation
Williams, J. (2020). boiling Frogs and Tipping Points: which sung pitch range is best for boys during voice change?. ABCD choral research journal, (1), . http://access.bl.uk/ark:/81055/vdc_100141974045.0x000001
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Williams, J. (2020). boiling Frogs and Tipping Points: which sung pitch range is best for boys during voice change?. ABCD choral research journal, (1), . http://access.bl.uk/ark:/81055/vdc_100141974045.0x000001