Penny L. Ittner

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Books by Penny L. Ittner (50 max)

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Train the trainer: practical skills that work : course book

1988

Penny L. Ittner, Alex F. Douds

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Managing your stress: Coursebook

1990

Penny L. Ittner

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Train the trainer : practical skills that work: course book

1988

Penny L. Ittner

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The High Impact Presentation Skills Workshop/Instructors Guide/Coursebook

1988

Penny L. Ittner

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Destrezas del consultor interno

2008

Penny L. Ittner, Donald G. Roberts, Alex F. Douds, Carmen E. León Pérez