Wäre die Einsamkeit nicht so lehrreich, könnte man glatt daran verzweifelnThomas Meyer-WieserUitverkocht3,8Volgen
Why Am I Still Depressed? Recognizing and Managing the Ups and Downs of Bipolar II and Soft Bipolar DisorderJim PhelpsUitverkocht4,1Volgen
Don't Eat the Marshmallow Yet!: The Secret to Sweet Success in Work and LifeJoachim de PosadaUitverkocht4,1Volgen
Customer Satisfaction is Worthless, Customer Loyalty is PricelessJeffrey H. GitomerUitverkocht4,1Volgen
Embracing Hope: On Freedom, Responsibility & the Meaning of LifeViktor Emil FranklUitverkocht4,0Volgen
