Safiullin, M. R., Elshin, L. A. and Nikiforova, E. G. (2016) “Methodological Approaches to the Diagnosis and Forecast of the Long-Wave Fluctuations in the Economy”, International Journal of Economics and Financial Issues, 6(4), pp. 1616–1624. Available at: https://econjournals.com.tr/index.php/ijefi/article/view/3028 (Accessed: 23 November 2024).