Lubiszewski M. Labour Clause (article 29.3a of the Public Procurement Law) from the Perspective of Article 7 of the International Covenant of Economic, Social and Cultural Rights. SP [Internet]. 2019 Nov. 30 [cited 2026 Nov. 12];(44):245-57. Available from: https://czasopisma.uwm.edu.pl/index.php/sp/article/view/4907