Mulesa, O., Povkhan, I., Radivilova, T. and Baranovskyi, O. 2021. Devising a method for constructing the optimal model of time series forecasting based on the principles of competition. Eastern-European Journal of Enterprise Technologies. 5, 4 (113) (Oct. 2021), 6–11. DOI:https://doi.org/10.15587/1729-4061.2021.240847.