TY JOUR TI CONSULTING SERVICES: ESSENCE, KINDS AND MAIN DIRECTIONS OF USE KW consulting KW consulting services KW management consulting KW tax consulting KW accounting consulting. JO Vestnik of Kazan State Agrarian University AU Klychova, G.S. AU Klychova, A.S. AU Zakirova, A.R. PY 2017 IS 12 PB Kazan state agrarian University