Birgit Nieschalk auf LinkedIn: https://www.linkedin.com/in/nieschalk/ Anja Ebers auf LinkedIn https://www.linkedin.com/in/anja-ebers/ TRIZ https://www.liberatingstructures.com/6-making-space-with-triz/ Nine Whys https://www.liberatingstructures.com/3-nine-whys/ Purpose-To-Practice https://www.liberatingstructures.com/33-purpose-to-practice-p2p/ Min Specs https://www.liberatingstructures.com/14-min-specs/