Greipl, Simon, Korbinian Moeller, Kristian Kiili, and Manuel Ninaus. “Different Performance, Full Experience: A Learning Game Applied Throughout Adulthood”. International Journal of Serious Games 7, no. 3 (September 25, 2020): 61 - 80. Accessed January 28, 2021. http://journal.seriousgamessociety.org/index.php/IJSG/article/view/359.