1. Farber, M., Schrier, K.: The Limits and Strengths of Using Digital Games as “Empathy Machines.” India (2017)
2. ESA.: Entertainment Software Association (2020)
3. Lecture Notes in Computer Science;D Hefner,2007
4. Salen, K., Zimmerman, E.: Salen, Zimmerman_rules of play: game design fundamentals. Int. J. Artif. Intell. Tools. 9. MIT Press (2004)
5. Isbister, K.: Better Game Characters by Design : A Psychological Approach. CRC Press (2006). https://doi.org/10.1201/9780367807641