BŁASZCZUK, D. J. Okun’s Law in OECD Countries in 1990 – 2013. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 15, n. 2, p. 47–63, 2014. Disponível em: https://qme.sggw.edu.pl/article/view/3669. Acesso em: 24 lis. 2024.