Věda • technika
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Hibberd, Jessamy; Usmar, Jo
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Paxton, Jennifer Z
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Adams, Jonathan; Reynolds, Alex; Valentine, Peter
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The Scout Association
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Labrecque, Ellen
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Hargrave, Kelly
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DK
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Dickmann, Nancy
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Weltman Anna
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Martin, Claudia
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Kirsteen Robson
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Gagne Tammy
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King, Si
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Lane, Marty Maxwell (University of Arkansas, USA); Tegtmeyer, Rebecca (Michigan State University, USA)
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Wissinger, Mary
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Sean Callery
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Hartley, Ned
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Singleton, Linda Joy
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CGP Books
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CGP Books