1. A theory of achievement motivation;Atkinson,1966
2. Persuasive games: The expressive power of videogames;Bogost,2007
3. Design for the value of human well-being;Brey,2015
4. Gamification in tourism: Designing memorable experiences;Bulencea,2015
5. Positive computing: Technology for wellbeing and human potential;Calvo,2014