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, Krakow, n. 6(978), p. 23–39, 2019. DOI: 10.15678/ZNUEK.2018.0978.0602. Disponível em: https://krem.uek.krakow.pl/index.php/krem/article/view/1736.. Acesso em: 20 sep. 2024.