Zheng, Yuzihe. “Evaluation of Online Teaching Effect of Vocational College Teachers Based on TOPSIS Technology and the Hierarchical Chi-Square Model”. International Journal of Emerging Technologies in Learning (iJET) 18, no. 15 (August 15, 2023): pp. 161–173. Accessed November 22, 2024. https://online-journals.org/index.php/i-jet/article/view/42251.