Zheng, Kun, Jing Zhou, Chang-Yong Yang, and Guang-Min Sun. “Exploration and Practice on Class Field in Information Engineering”. International Journal of Emerging Technologies in Learning (iJET) 11, no. 06 (June 27, 2016): pp. 40–45. Accessed March 29, 2024. https://online-journals.org/index.php/i-jet/article/view/5458.