CELLINI, R.; SOCI, A. Pop competitiveness. PSL Quarterly Review, [S. l.], v. 55, n. 220, 2012. DOI: 10.13133/2037-3643/9905. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/9905. Acesso em: 14 may. 2024.