Horská, Elena, Serhiy Moroz, Zuzana Poláková, Ľudmila Nagyová, and Ihor Paska. 2019. “Evaluation of Interaction Between Chosen Indicators of Development of Regions in Ukraine”. Equilibrium. Quarterly Journal of Economics and Economic Policy 14 (2):341-57. https://doi.org/10.24136/eq.2019.016.