Zawarcie umowy w świetle praktyki jednostek gospodarki uspołecznionej: [Conclusion of a contract in the light of practice in units of the socialized economy]. SP [Internet]. 1982 Apr. 30 [cited 2025 Nov. 8];(1-2 (71-72):3-61. Available from: https://czasopisma.inp.pan.pl/index.php/sp/article/view/2908