Wyrobek, Joanna, and Zbigniew Stańczyk. “Similarity of Business Fluctuations in the US and Large Emerging Economies”.
Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 1(925) (November 3, 2015): 27–42. Accessed May 12, 2025.
https://krem.uek.krakow.pl/index.php/krem/article/view/524.