Gronkiewicz, A. and Ziółkowska, A. 2020. On the Need for Amendments to Administrative Penalties and the Conversion of Certain Offences to Administrative Law in the Polish Legal System in the Light of Solutions Adopted in the Czech Republic, the Republic of Austria, and the Republic of Germany. Teka Komisji Prawniczej PAN Oddział w Lublinie. 13, 2 (Dec. 2020), 241–258. DOI:https://doi.org/10.32084/tekapr.2020.13.2-19.