Publication schedule
  • №3 June 2023
    Submission deadline: 1 May 2023
  • №4 August 2023
    Submission deadline: 1 June 2023
  • №5 October 2023
    Submission deadline: 11 September 2023
Lihacheva Ekaterina G.

Economic & mathematical methods and models
  • Year: 2007
  • Issue: 3
  • 0
  • 2398
  • Pages: 160-163