Яковлєва, Ю. (2014). CLUSTERING OF URBAN SOCIO-GEO-SYSTEMS OF THE REGION ON THE GROUND OF PECULIARITIES OF THE SYSTEM SOCIAL AND ECONOMIC DEVELOPMENT (BASED ON EXAMPLE OF DONETSK REGION). Human Geography Journal, 16(1), 109-116. https://doi.org/10.26565/2076-1333-2014-16-16