کتاب های Roman Tschäppeler
![The Decision Book: Fifty Models for Strategic Thinking](http://cdn.ketabkoo.com/covers/11/1166420-n.jpg)
The Decision Book: Fifty Models for Strategic Thinking
Mikael Krogerus, Roman Tschäppeler, Jenny Piening, 2018![The Question Book: What Makes You Tick?](http://cdn.ketabkoo.com/covers/11/1187947-n.jpg)
The Question Book: What Makes You Tick?
Mikael Krogerus; Roman Tschäppeler; Philip Earnhart, 2014![The Communication Book](http://cdn.ketabkoo.com/covers/15/1506596-n.jpg)
The Communication Book
Roman Krogerus, Mikael, Tschäppeler, 2018![The Get Things Done Book: 41 Tools to Start, Stick With and Finish Things](http://cdn.ketabkoo.com/covers/16/1692905-n.jpg)
The Get Things Done Book: 41 Tools to Start, Stick With and Finish Things
Mikael Krogerus, Roman Tschäppeler, 2022![The Communication Book: 44 Ideas for Better Conversations Every Day](http://cdn.ketabkoo.com/covers/17/1707940-n.jpg)