π-Economy
    π-EconomyPeter the Great St. Petersburg Polytechnic University
    Since 2008
    ISSN 2782-6015
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    • №6 December 2026
      Submission deadline: 5 November 2026
    • №1 February 2027
      Submission deadline: 11 January 2027

    Articles by keywords "TELECOMMUNICATION SYSTEMS"

    Shadow economy as a tool for maintenance of economic security businesses

    Economic safety
    Grachev А.V.Puzyrevskyi L.S.Babkin A.V.
    • Year: 2011
    • Issue: 3
    • 0
    • 8605
    • Pages: 214-218