POMĚNKOVÁ, J. ANALYSIS OF ECONOMIC ACTIVITY MOVEMENTS IN THE CZECH REPUBLIC – FREQUENCY APPROACH. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 10, n. 1, p. 207–220, 2009. Disponível em: https://qme.sggw.edu.pl/article/view/3037. Acesso em: 17 maj. 2024.