Zawarcie umowy w świetle praktyki jednostek gospodarki uspołecznionej: [Conclusion of a contract in the light of practice in units of the socialized economy]. Studia Prawnicze / The Legal Studies, [S. l.], n. 1-2 (71-72), p. 3–61, 1982. DOI: 10.37232/sp.1982.1-2.1. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/2908. Acesso em: 8 nov. 2025.