Zhang, Yongfei, Jianshu Chen, Dan Miao, and Chen Zhang. “Design and Analysis of an Interactive MOOC Teaching System Based on Virtual Reality”. International Journal of Emerging Technologies in Learning (iJET) 13, no. 07 (June 28, 2018): pp. 111–123. Accessed April 25, 2024. https://online-journals.org/index.php/i-jet/article/view/8790.