Michalczyk, Wawrzyniec. “The Scale of Fluctuations of the Zloty’s Exchange Rate Against Selected Currencies in the Years of 2009–2014 – an Analysis of Empirical Data”. Acta Universitatis Lodziensis. Folia Oeconomica, vol. 6, no. 317, Aug. 2016, p. [115]-130, doi:10.18778/0208-6018.317.09.