Vera F. Birkenbihl
Vera F. Birkenbihl has written at least 5 books. Their most popular book is Birkenbihl on Management with 1 save with an average rating of 5⭐.
Vera F. Birkenbihl has written at least 5 books. Their most popular book is Birkenbihl on Management with 1 save with an average rating of 5⭐.
