Opar, A. 2017. Recidivism in the Polish criminal law – evolution of the regulation from 1932, 1969 and 1997 in the Polish penal codes. Acta Iuridica Resoviensia . 21, 97 (Dec. 2017), 83–95. DOI:https://doi.org/10.15584/znurprawo.2017.21.5.