Portrait
Books
Keynote
English
Deutsch

Portrait
Books
Keynote
English
Deutsch

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editions

Books

The Test Book

The Test Book by Mikael Krogerus & Roman Tschäppeler

The Change Book

The Change Book by Mikael Krogerus & Roman Tschäppeler

The Question Book

The Question Book by Mikael Krogerus & Roman Tschäppeler

The Decision Book

The Decision Book by Mikael Krogerus & Roman Tschäppeler

The Communication Book

The Communication Book by Mikael Krogerus & Roman Tschäppeler

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