Nwohiri, A., U. C. Ogude, H. V. Nguyen, and E. M. Sanchez. “Bolstering User Authentication: A Kernel-Based Fuzzy-Clustering Model for Typing Dynamics”. International Journal of Electrical and Computer Engineering Systems, vol. 13, no. 4, June 2022, pp. 301-10, doi:10.32985/ijeces.13.4.6.