TY JOUR TI THE MAIN DIRECTIONS OF ESTIMATION OF CORPORATE SOCIAL RESPONSIBILITY OF BUSINESS KW corporate social responsibility KW assessment KW key performance indicators KW human resources KW environmental sustainability. JO Vestnik of Kazan State Agrarian University AU Klychova, G.S. AU Zakirova, A.R. AU Yusupova, A.R. AU Klychova, A.S. PY 2018 IS 13 PB Kazan state agrarian University