“The Law on Economic Activity of December 23, 1988: Dz.U. 1988 Nr 41, poz. 324”. (1988) Contemporary Central & East European Law, (3-4(79-80), pp. 97–102. Available at: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1353 (Accessed: 6 October 2025).