TY JOUR TI Identifying and analysing relation between economic security and efficiency of foreign economic activity in Astrakhan region KW foreign trade of the region KW economic security of the region KW correlation and regression analysis KW industrial development index KW factors of external economic activity JO Vestnik of Astrakhan State Technical University. Series: Economics AU Bryantsev, D.. AU Ilyasova, R.. PY 2019 IS PB Astrakhan State Technical University