Laato, Samuli, Sonja Hyrynsalmi, Sampsa Rauti, A.K.M. Najmul Islam, and Teemu H. Laine. “Location-Based Games As Exergames - From Pokémon To The Wizarding World”. International Journal of Serious Games 7, no. 1 (March 5, 2020): 79 - 95. Accessed July 14, 2020. http://journal.seriousgamessociety.org/index.php/IJSG/article/view/337.