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| 1. |
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The Piccolo Training DVD
Lori A Roggman, Gina A Cook, Mark S Innocenti, Vonda Jump Norman, Katie Christiansen
Inbunden. Brookes Pub, USA, 2013.
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| 2. |
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PICCOLO (TM) Provider Starter Kit
Lori A Roggman, Gina A Cook, Mark S Innocenti, Vonda Jump Norman
Brookes Publishing Co, USA, 2013.
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