Publication schedule
  • №3 September 2019
    Submission deadline: 5 July 2019
  • №4 December 2019
    Submission deadline: 5 October 2019
  • №1 March 2020
    Submission deadline: 5 February 2020
  • №2 June 2020
    Submission deadline: 5 May 2020
Toscheva Anna V.

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Problems of XXI century
  • Year: 2013
  • Issue: 3
  • 380
  • 1403
  • Pages: 30-34