TY JOUR TI Historical overview of Poland's economic transformations (1990-2020) KW economic reforms KW foreign investments KW transnational corporations KW international financial institutions KW GDP KW foreign trade KW historical and statistical-mathematical method of scientific research KW Poland KW European Union JO AU Kovaleva, V.A. AU Elistratov, A.S. PY 2022 IS 7 PB INFRA-M Academic Publishing LLC.