Orzechowski, Arkadiusz. “Analysis of the Impact of Maintaining and Changing Credit Ratings on the Credit Spread on the Polish Corporate Bond Market in the Period 2010–2017”. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 6(978) (April 12, 2019): 23–39. Accessed September 19, 2024. https://krem.uek.krakow.pl/index.php/krem/article/view/1736.