Liu F- juan. A Quantitative Evaluation Model of Interactive Whiteboard Classroom Based on K-Means Algorithm. Int. J. Emerg. Technol. Learn. [Internet]. 2018 Nov. 9 [cited 2024 Nov. 22];13(11):pp. 89-101. Available from: https://online-journals.org/index.php/i-jet/article/view/9603