1. Game Accessibility Guidelines (June 2016). http://gameaccessibilityguidelines.com/full-list/
2. Un Disability Statistics (2016). https://unstats.un.org/unsd/demographic-social/sconcerns/disability/statistics/#!/activities
3. Ageing and Health (Feb 2018). https://www.who.int/news-room/fact-sheets/detail/ageing-and-health
4. Adinolf, S., Turkay, S.: Collection, creation and community: a discussion on collectible card games. In: Proceedings of the 7th International Conference on Games+ Learning+ Society Conference, pp. 3–11 (2011)
5. Ageenko, N., Rybkina, A., Startseva, N.: Motivation fostering through gaming technologies. In: SHS Web of Conferences, vol. 113. EDP Sciences (2021)