ein Buch zur Stärkung des menschlichen Ich
Ully Günther
Personality development Self-confidence
the world-renowned speech expert reveals her time-tested method for foolproof control of nervousness in communicating situations
by Dorothy Sarnoff; w Gaylen Moore
Personal improvement and analysis Public speaking--Technique Self-confidence
répondre aux besoins et désirs des ados
Mathieu Brégégère
Personal improvement--Through meditation Teenagers Age group--Youth (10-18) Self-confidence
10 Schritte zur vollkommenen Selbstsicherheit
Martin Perry
Personal improvement and analysis Self-confidence