Nonlinear interaction dynamics of national income, interest rate, and price level. Neliniini Kolyvannya, [S. l.], v. 17, n. 1, p. 87–101, 2014. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/730. Acesso em: 21 jan. 2026.