Nowik, Paweł. “Collective Bargaining As a Form of Trade Union Involvement in Regulating Working Conditions on Digital Labour Platforms”. Teka Komisji Prawniczej PAN Oddział W Lublinie, vol. 12, no. 2, Dec. 2019, pp. 251–266, doi:10.32084/tekapr.2019.12.2-19.