BARAN G. GROUPING OF ADMINISTRATIVE RAIONS IN KYIV OBLAST BASED UPON SOCIODEMOGRAPHIC INDICATORS USING CLUSTER ANALYSIS. ESG [Internet]. 2015 Jun. 30 [cited 2026 Jul. 15];72:3-6. Available from: https://www.bulletin-esgeograph.org.ua/esg/article/view/72-baran-3-6