ERCOLANI, P. Decline in the share of the agricultural product: measurements and explanations. PSL Quarterly Review, [S. l.], v. 39, n. 156, 2013. DOI: 10.13133/2037-3643/10812. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/10812. Acesso em: 18 may. 2024.