Graven, Olaf Hallan, Dag Samuelsen, and Lachlan M MacKinnon. “Computer-Based Role Playing Game Environment for Analogue Electronics”. International Journal of Online and Biomedical Engineering (iJOE) 5, no. 1 (January 15, 2009): pp. 27–33. Accessed April 27, 2024. https://online-journals.org/index.php/i-joe/article/view/769.