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The Marshmallow Test: Understanding Self-control and How To Master It
New €14.50
You save €9.51 (65%)
Book€4.99
You save €9.51 (65%)
New €14.50€4.99

The Marshmallow Test: Mastering Self-Control
New €14.99
You save €9.50 (63%)
Book€5.49
You save €9.50 (63%)
New €14.99€5.49

The Marshmallow Test: Why Self-Control Is the Engine of Success
New €11.50
You save €2.51 (21%)
Book€8.99
You save €2.51 (21%)
New €11.50€8.99

Der Marshmallow-Test: Willensstärke, Belohnungsaufschub und die Entwicklung der Persönlichkeit
New €24.99
You save €14.00 (56%)
Book€10.99
You save €14.00 (56%)
New €24.99€10.99

Der Marshmallow-Effekt: Wie Willensstärke unsere Persönlichkeit prägt
New €16.00
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Book€8.49
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New €16.00€8.49

Le test du marshmallow : quels sont les ressorts de la volonté ?
Book€7.49
€7.49

El test de la golosina : cómo entender y manejar el autocontrol (Psicología)
Book€19.49
€19.49