TY JOUR TI BASIC DIRECTIONS OF SOCIAL DEVELOPMENT MECHANISM FORMATION OF AGRICULTURAL ENTERPRISE KW social development KW social policy KW social environment KW personnel KW social factors KW environmental factors KW expenses for social developmen JO Vestnik of Kazan State Agrarian University AU Ziganshin, B.G. AU Klychova, G.S. AU Zakirova, A.R. PY 2019 IS 14 PB Kazan state agrarian University