Tomashevska, T. V., and N. O. Hordiiko. “Predictive Modelling for the Dynamics of Consumer Activity by Methods of Machine Learning and Big Data of Payment Systems”. Statistics of Ukraine 112, no. 1 (April 20, 2026): 44–54. Accessed July 16, 2026. https://su-journal.com.ua/index.php/journal/article/view/510.