ERGUN, Mustafa, UYGUÇGIL, Hakan and ATALIK, Özlem. Creating a geodemographic classification model within geo-marketing: the case of Eskişehir province. Bulletin of Geography. Socio-economic Series. Online. 16 March 2020. Vol. 47, no. 47, pp. 45-61. [Accessed 2 March 2026]. DOI 10.2478/bog-2020-0003.