Karnalim, Oscar, and Mewati Ayub. “A Quasi-Experimental Design to Evaluate the Use of PythonTutor on Programming Laboratory Session”. International Journal of Online and Biomedical Engineering (iJOE) 14, no. 02 (February 28, 2018): pp. 155–164. Accessed November 21, 2024. https://online-journals.org/index.php/i-joe/article/view/8067.