He, Liu. “The Implementation of Blended Teaching in Higher Vocational Colleges under the Background of Normalization of Epidemic Prevention and Control Problems and Countermeasures”. Learning & Education 10, no. 9 (July 24, 2022): 87-88. Accessed December 22, 2024. https://ojs.piscomed.com/index.php/L-E/article/view/3206.