TY JOUR TI PROFIT ANALYSIS TOOLKIT KW profit KW analysis KW tools KW indicators KW area of observation JO Actual directions of scientific researches of the XXI century: theory and practice AU Sibiryatkina, I.V. AU Zelikova, Y.A. PY 2020 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov