Jaimez-González, Carlos R., and Miguel Castillo-Cortes. “Web Application to Support the Learning of Programming Through the Graphic Visualization of Programs”. International Journal of Emerging Technologies in Learning (iJET) 15, no. 06 (March 27, 2020): pp. 33–49. Accessed May 2, 2024. https://online-journals.org/index.php/i-jet/article/view/12157.