Publication schedule
  • №2 June 2019
    Submission deadline: 5 March 2019
  • №3 September 2019
    Submission deadline: 5 July 2019
  • №4 December 2019
    Submission deadline: 5 October 2019
Sitnikov Valery L.

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Actual problems of education
  • Year: 2014
  • Issue: 1
  • 729
  • 1727
  • Pages: 78-87