https://kompetenz-check.ch/wp-content/uploads/paper-ea37b00c21.jpg14812349René Anderegghttps://kompetenz-check.ch/wp-content/uploads/eng_KOMPETENZEN-CHECK_Logo_transp_Möngi_230x156.jpgRené Anderegg2018-07-15 10:39:152020-10-08 11:57:05Why is it so difficult for many to be or remain successful?