Gregor Handler
Gregor Handler has written at least 1 book. Their most popular book is Konzept zur Entwicklung integrierter Beratung: Integration systemischer Elemente in die klassische Beratung with 1 save with an average rating of -⭐.
Gregor Handler has written at least 1 book. Their most popular book is Konzept zur Entwicklung integrierter Beratung: Integration systemischer Elemente in die klassische Beratung with 1 save with an average rating of -⭐.
