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Books by Prof. Dr. Detlef Beeker

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Stress is a Decision: 40 Simple Habits to Defeat Stress and Find Inner Peace (5 Minutes for a Better Life Book 2)
🇺🇸 United States
Stress is a Decision: 40 Simple Habits to Defeat Stress and…
By: Prof. Dr. Detlef Beeker
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Stress is an Illusion: The Scientific Solution: 4 Simple Steps to Reduce Stress, Declutter Your Mind, Conquer Overwhelm & Reclaim Your Inner Peace (5 Minutes for a Better Life Book 3)
🇺🇸 United States
Stress is an Illusion: The Scientific Solution: 4 Simple St…
By: Prof. Dr. Detlef Beeker
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The 90-Day Happiness Journal: The scientific solution for a life of happiness
🇺🇸 United States
The 90-Day Happiness Journal: The scientific solution for a…
By: Prof. Dr. Detlef Beeker
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