MACEIKIANEC, Tadeusz. The Poland competitiveness and the trade connections in reference to the countries of Central and Eastern Europe and former USSR. Comparative Economic Research. Central and Eastern Europe, Poland, v. 12, n. 1-2, p. 129–144, 2010. DOI: 10.2478/v10103-009-0008-5. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/7777. Acesso em: 8 aug. 2026.