“The Law On Economic Activity with the Participation of Foreign Parties of December 23, 1988: Dz. U. 1988 Nr 41, poz. 325”., CC&EEL, no. 3-4, pp. 103–112, Dec. 1988, Accessed: Jan. 06, 2026. [Online]. Available: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1354