1. Carnegie Mellon Eberly Center for Teaching Excellence (n.d.), “Theory and research‐based principles of learning”, available at: www.cmu.edu/teaching/principles/learning.html.
2. VIA Learning (2013), “Gaming: elearning for the corporate world: a VIA learning brief”, available at: www.viadelivers.com/content/elearning_gaming_for_the_corporate_world.pdf.