Osińska, Magdalena, Tadeusz Kufel, Marcin Błażejowski, and Paweł Kufel. “Modelling and Forecasting Business Cycle in CEE Countries Using a Threshold Approach”. Dynamic Econometric Models 16, no. 1 (December 29, 2016): 145–164. Accessed April 25, 2024. https://apcz.umk.pl/DEM/article/view/DEM.2016.008.