Abeshev, K., A. Kulzhanova, T. Bakibayev, and M. Dolayev. “ANALYSIS OF ANTIFRAUD METHODS AND CYBERSECURITY FOR ONLINE QUIZ APPLICATIONS”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 80, no. 4, Dec. 2022, pp. 138-45, doi:10.51889/9350.2022.33.96.016.