Mathematical forecasting models in the financial institutions’ economic security system. Economics and region, [S. l.], n. 2(81), p. 81–85, 2021. DOI: 10.26906/EiR.2021.2(81).2355. Disponível em: https://ojs35.nupp.edu.ua/eir/article/view/2355. Acesso em: 23 dec. 2025.