Freina, Laura, Rosa Bottino, Mauro Tavella, and Carlo Chiorri. “Evaluation of Spatial Perspective Taking Skills Using a Digital Game With Different Levels of Immersion”. International Journal of Serious Games 4, no. 3 (September 25, 2017). Accessed December 3, 2021. https://journal.seriousgamessociety.org/index.php/IJSG/article/view/178.