Moderationsequalizer https://www.linkedin.com/pulse/moderation-equalizer-helps-facilitator-tune-team-stefan-dorsch/
1-2-4-all https://liberatingstructures.de/liberating-structures-menue/1-2-4-all/
15 % Solution https://liberatingstructures.de/liberating-structures-menue/15-solutions/
TRIZ https://liberatingstructures.de/liberating-structures-menue/triz/
