Prylypko R, Martseniuk N. Social services for special contingent department of social security in theUkrainian SSR in the 1920s. XX century. nzhist [Internet]. 2018 Dec. 8 [cited 2024 May 18];(26):64-71. Available from: https://intranet.vspu.edu.ua/nzhist/index.php/nzhist/article/view/911