Chesalina, Olga. “Access to Social Security for Digital Platform Workers in Germany and in Russia: A Comparative Study”. Spanish Labour Law and Employment Relations Journal 7, no. 1-2 (October 30, 2018): 17-28. Accessed July 2, 2022. https://e-revistas.uc3m.es/index.php/SLLERJ/article/view/4433.