Konecka-Szydłowska, Barbara, Elżbieta Zuzańska-Żyśko, and Robert Szmytkie. 2010. “Role of Services in the Economies of Small Towns of Silesia Region and Wielkopolskie Voivodehip”. Bulletin of Geography. Socio-Economic Series, no. 14 (December):51–62. https://doi.org/10.1515/v10089-010-0014-1.