KOPYŚCIAŃSKI, Tomasz and RÓLCZYŃSKI, Tomasz. Application of statistical methods in the diagnosis of environmental conditions of development of Lower Silesian voivodship in years 2006–2012. Copernican Journal of Finance & Accounting. Online. 8 April 2014. Vol. 3, no. 1, pp. 97-108. [Accessed 4 May 2024]. DOI 10.12775/CJFA.2014.008.