TY JOUR TI Sustainable socio-economic development of the regions of the Southern Federal District under the conditions of external sanctions KW regional development KW economic sanctions KW restriction of exports and imports KW regions of the Southern Federal District KW sustainable development JO Vestnik of Astrakhan State Technical University. Series: Economics AU Kurchenkov, V.. AU Melikhov, D.. PY 2023 IS PB Astrakhan State Technical University