Mandalka, Gerhard J.

With proper training to more energy and health: Muscles with brains and energy to enjoy! Avoid training mistakes, reduce your weaknesses and strengthen your physical and mental performance. audio

imPOSSIBLE GOALS: How to lose bad habits and develop powerful skills using special methods of positive psychology and NLP audio

Fit und aktiv das eigene Leben gestalten: Muskeln mit Hirn und Leben voller Energie audio

UnMögliche Ziele: audio

Life in Work®: Wir leben auch während der Arbeit, die Absage an die Work-Life-Balance audio