Dou, Zhenhai, Yajing Wang, Zhenmei Li, Xianming Sun, Qinqin Wei, and Wengang Chen. “Blended Teaching for Signal and System Course Based on Internet-Engineering Education”. Research Reports on Computer Science 2, no. 1 (February 22, 2023): 28–45. Accessed July 23, 2024. https://ojs.wiserpub.com/index.php/RRCS/article/view/2076.