LAVROVSKY, Boris Leonidovich. Assessment of Innovation Intensity: the Case of USA. Economy of Regions, [S. l.], v. 14, n. 1, p. 281–291, 2018. DOI: 10.17059/2018-1-22. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/1949. Acesso em: 15 may. 2026.