Pittman, Cameron. “Teaching With Portals: The Intersection of Video Games and Physics Education”. LEARNing Landscapes 6, no. 2 (June 2, 2013): 341-360. Accessed January 31, 2023. https://www.learninglandscapes.ca/index.php/learnland/article/view/Teaching-With-Portals-the-Intersection-of-Video-Games-and-Physics-Education.