GRZELAK, M. Innovation Activity and Competitiveness of Manufacturing Divisions in Poland. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 14, n. 1, p. 121–143, 2011. DOI: 10.2478/v10103-011-0007-1. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/6604. Acesso em: 20 may. 2024.