Wang B, Wang J, Hu G. College English Classroom Teaching Evaluation Based on Particle Swarm Optimization – Extreme Learning Machine Model. Int. J. Emerg. Technol. Learn. [Internet]. 2017 May 31 [cited 2024 Nov. 22];12(05):pp. 82-97. Available from: https://online-journals.org/index.php/i-jet/article/view/6782