Autor: Roman Tschappeler, 3 titluri

Coperta cărții The Test Book

Mikael Krogerus,Roman Tschappeler

Coperta cărții The Decision Book

The Decision Book

Mikael Krogerus,Roman Tschappeler

Coperta cărții The Decision Book: Fifty models for strategic thinking

The Decision Book: Fifty models for strategic thinking

Mikael Krogerus,Roman Tschappeler