TY JOUR TI ASSESSMENT OF SUSTAINABLE DEVELOPMENT OF THE REGIONS OF THE VOLGA FEDERAL DISTRICT KW region KW sustainable development KW concept KW sustainable development indicators KW socio-economic development strategy KW Volga Federal District KW assessment. JO Vestnik of Kazan State Agrarian University AU Borovskikh, O.. AU Evstaf'eva, A.H. PY 2023 IS 17 PB Kazan state agrarian University