izlaidumi no Yu-Kai Chou

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Cover for Yu-Kai Chou · Actionable Gamification: Beyond Points, Badges, and Leaderboards (Hardcover Book) (2016)

Actionable Gamification: Beyond ... (2016)

Cover for Yu-Kai Chou · Actionable Gamification: Beyond Points, Badges and Leaderboards (Paperback Book) (2015)

Actionable Gamification: Beyond ... (2015)