Liu, Zi-Yu, Elena Chubarkova, and Marina Kharakhordina. “Retracted Article: Online Technologies in STEM Education”. International Journal of Emerging Technologies in Learning (iJET) 15, no. 15 (August 14, 2020): pp. 20–32. Accessed April 25, 2024. https://online-journals.org/index.php/i-jet/article/view/14677.