BUCHANAN, J. Better than ploughing. PSL Quarterly Review, [S. l.], v. 39, n. 159, 2013. DOI: 10.13133/2037-3643/11082. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/11082. Acesso em: 6 oct. 2024.