SAFIULLIN, M. R.; ELSHIN, L. A.; NIKIFOROVA, E. G. Methodological Approaches to the Diagnosis and Forecast of the Long-Wave Fluctuations in the Economy. International Journal of Economics and Financial Issues, [S. l.], v. 6, n. 4, p. 1616–1624, 2016. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/3028. Acesso em: 3 may. 2024.