Publication schedule
  • №1 March 2020
    Submission deadline: 5 February 2020
  • №2 June 2020
    Submission deadline: 5 May 2020
Bodrunova Svetlana S.

Problems of XXI century
  • Year: 2013
  • Issue: 4
  • 427
  • 1132
  • Pages: 0-0