Westera, Wim, Rob Nadolski, and Hans Hummel. “Serious Gaming Analytics: What Students´ Log Files Tell Us about Gaming and Learning”. International Journal of Serious Games 1, no. 2 (June 19, 2014). Accessed August 16, 2022. https://journal.seriousgamessociety.org/index.php/IJSG/article/view/9.