
reference(s) -- payoff(s) / challenge(s) / game(s) / math(s) / plan(s) 
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media
/ scribble
/ utopia
/ design
/ fun
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- prof. dr. R. van der Vlist -- de dynamiek van sociale systemen
- Dave Gray, Sunni Brown, James Macanufo -- Gamestorming: A Playbook for Innovators, Rulebreakers, and Changemakers
- Karl M. Kapp -- The Gamification of Learning and Instruction: Game-based Methods and Strategies for Training and Education
decision theory / literature / auxiliary / etcetera