KASPERKIEWICZ, W.; ROGALSKI, W. Innovativeness of the US economy. Permanent or weakening dominance?. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 13, n. 4, p. 61–80, 2011. DOI: 10.2478/v10103-009-0046-z. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/6587. Acesso em: 19 may. 2024.