POMIANEK, Iwona and CHRZANOWSKA, Mariola. A spatial comparison of semi-urban and rural gminas in Poland in terms of their level of socio-economic development using Hellwig’s method. Bulletin of Geography. Socio-economic Series. Online. 30 June 2016. No. 33, pp. 103-117. [Accessed 23 July 2024]. DOI 10.1515/bog-2016-0028.