RYDAROWSKA-KURZBAUER, Joanna. GDP Fluctuation and Changes in Consumption and Investment. Comparative Analysis of Polish Economy and Some Countries of the European Union. Equilibrium. Equilibrium. Quarterly Journal of Economics and Economic Policy. Online. 10 June 2012. Vol. 7, no. 3, pp. 43-53. [Accessed 23 July 2024]. DOI 10.12775/EQUIL.2012.018.