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More by Erik Klingenschild
How to gain self-confidence and strengthen self-confidence. How to build self-confidence and boost self-esteem in everyday life and at work, as well as boost self-esteem for children
€1.25
Concentration and focus. Classic and proven effective exercises and tips to increase concentration and focus.
€1.25
Understand body language, learn and apply. Reading body language, perfecting body language, recognizing lies, more successful through perfected body language
€1.25
Self-hypnosis - proven methods and impressive results
€1.25
How to become happy How to code your brain to become happy
€1.25
Systemic questioning technique improves your communication and sells solutions, for executives, teachers and salespeople
€1.25
Successfully understand psychology for beginners by interpreting body language and reading minds
€1.25