Shawn Achor

Comment devenir un optimiste contagieux

The Happiness Advantage

Choisir l'optimisme

Before Happiness

Resilience (HBR Emotional Intelligence Series)

Big Potential

The Happiness Advantage: The Seven Principles of Positive Psychology That Fuel Success and Performance at Work (Unabridged)

The Happiness Advantage

The Power of Beliefs

Energía y motivación (Serie Inteligencia Emocional de HBR)

Big Potential

Before Happiness: The 5 Hidden Keys to Achieving Success, Spreading Happiness, and Sustaining Positive Change (Unabridged)