ŁACNY, Janusz and OSIŃSKA, Magdalena. Market and institutional determinants of fuel prices and their influence on the road transport development in Poland in 2004–2008. Acta Universitatis Nicolai Copernici Ekonomia. Online. 15 October 2008. Vol. 38, pp. 213-228. [Accessed 8 July 2025]. DOI 10.12775/AUNC_ECON.2008.015.