Kirjat Joselin Linder
Game-Based Marketing: Inspire Customer Loyalty Through Rewards, Challenges, and Contests
Gabe Zichermann, Joselin Linder
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The Gamification Revolution: How Leaders Leverage Game Mechanics to Crush the Competition
Gabe Zichermann, Joselin Linder
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The Family Gene: A Mission to Turn My Deadly Inheritance Into a Hopeful Future
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