π-Economy
    π-EconomyPeter the Great St. Petersburg Polytechnic University
    Since 2008
    ISSN 2782-6015
    enАнглийский
    Version for the visually impaired
    AuthorElena K. Khusainova
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    Publication schedule
    • №6 December 2026
      Submission deadline: 5 November 2026
    • №1 February 2027
      Submission deadline: 11 January 2027
    Latest issues
    Elena K. Khusainova
    Elena K. Khusainova

    The enhancement of approach to efficiency estimation of energy-saving projects in the petroleum refining

    Regional and branch economy
    Khusainova E.K.Reyshahrit E.I.
    • Year: 2015
    • Issue: 2
    • 342
    • 8112
    • Pages: 76-84