Lunca, Eduard, Silviu Ursache, and Oana Neacsu. “Graphical Programming Tools for Electrical Engineering Higher Education”. International Journal of Online and Biomedical Engineering (iJOE) 7, no. 1 (January 30, 2011): pp. 19–24. Accessed January 19, 2022. https://online-journals.org/index.php/i-joe/article/view/1403.