TY JOUR TI Forecasting Economic Indicators of Transport Activity KW economic forecasting KW uncontrollable factors KW forecasting methods KW multistep forecasting KW types of economic activities KW statistical uncertainty KW projected indicators JO Scientific Research and Development. Economics of the Firm AU Biryukov, D.V. AU Rod'kina, O.Y. AU Vakulenko, R.Y. AU Lapaeva, O.N. PY 2021 IS 10 PB INFRA-M Academic Publishing LLC.