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Giunti Psychometrics
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Dorothy Spry
Douglas Miller
Margaret Chapman
Bryan Kramer
Valentina Marini, Giada Susca
Joe Pulizzi, Robert Rose
Jo Owen
Janine Waldman, Paul Z. Jackson
Peter English
Max A. Eggert
Erik de Haan
Susan David
Ryan Holiday
George Mumford
Daniel Priestley
Emilio Galli Zugaro, Clementina Galli Zugaro
Angela Duckworth
Pam Jones
Patrick Forsyth
Ian Fleming
Myke Clayton