1.
SZLĘZAK-MATUSEWICZ, Joanna. Models of tax incentives for R&D activities of enterprises in European Union countries. Copernican Journal of Finance & Accounting. Online. 8 April 2014. Vol. 3, no. 1, pp. 145-160. [Accessed 3 July 2025]. DOI 10.12775/CJFA.2014.012.