Chłapek, Katarzyna, and Ewelina Wawryk-Gawda. 2015. “CONCEPT OF MEASURING THE ECONOMIC RISK IN THE FORM OF RISK CLASSES MODEL”. Scientific Journal of Bielsko-Biala School of Finance and Law 6 (1). Bielsko-Biała, PL:5-31. https://doi.org/10.5604/01.3001.0012.2614.