TY JOUR TI ANALYSIS OF THE LEVEL OF ECONOMIC INTEGRATION AND THE INTENSITY OF COMMODITY FLOWS IN THE EAEU KW the Eurasian Economic Union KW regional economic integration KW mutual regional trade KW intensity of internal trade JO MOSCOW ECONOMIC JOURNAL AU Shkurko, E.M. AU Lyubetskiy, V.V. PY 2025 IS 10 PB Electronic science