Henke, Karsten, Galina Tabunshchyk, Heinz-Dietrich Wuttke, Tobias Vietzke, and Steffen Ostendorff. “Using Interactive Hybrid Online Labs for Rapid Prototyping of Digital Systems”. International Journal of Online and Biomedical Engineering (iJOE) 10, no. 5 (September 13, 2014): pp. 57–62. Accessed February 7, 2023. https://online-journals.org/index.php/i-joe/article/view/3994.