DUDNIK, Ivan, and Oksana BORISYUK. “METHODOLOGICAL ROLE OF SOCIO-GEOGRAPHICAL SYSTEMS IN THE MANAGEMENT OF REGIONAL DEVELOPMENT”. Ekonomichna ta Sotsialna Geografiya 71 (June 30, 2015): 23–26. Accessed July 15, 2026. https://www.bulletin-esgeograph.org.ua/esg/article/view/71-dudnyk-et-al-23-26.