Safin, R., A. Abdiraman, A. Nurusheva, and L. Aldasheva. “Comparison of Information Security Methods of Information-Communication Infrastructure: Multi-Factor Authentication”. Bulletin of L.N. Gumilyov Eurasian National University Technical Science and Technology Series 140, no. 3 (September 30, 2022): 114–124. Accessed April 4, 2025. https://bultech.enu.kz/index.php/main/article/view/318.