Zhou, Wenbo, Lei Shi, and Jian Chen. “Design and Implementation of the Online Computer-Assisted Instruction System Based on Object-Oriented Analysis Technology”. International Journal of Emerging Technologies in Learning (iJET) 13, no. 10 (October 26, 2018): pp. 183–195. Accessed November 24, 2024. https://online-journals.org/index.php/i-jet/article/view/9462.