The Law On Economic Activity with the Participation of Foreign Parties of December 23, 1988: Dz. U. 1988 Nr 41, poz. 325. Contemporary Central & East European Law, [S. l.], n. 3-4(79-80), p. 103–112, 1988. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1354. Acesso em: 3 nov. 2025.