A. Talasbek, A. Serek, M. Zhaparov, S.-M. Yoo, Y.-K. Kim, and G.-H. Jeong, “Personality Classification Experiment by Applying k-Means Clustering”, Int. J. Emerg. Technol. Learn., vol. 15, no. 16, pp. pp. 162–177, Aug. 2020.