TY JOUR TI Turkey's foreign trade: features at the stage of 2012–2021 KW foreign trade KW export KW import KW trade deficit KW devaluation KW historical and economic KW statistical and mathematical methods of scientific research KW European Union KW Turkey KW Russia KW China KW USA JO AU Elistratov, A.S. PY 2022 IS 7 PB INFRA-M Academic Publishing LLC.