LEIBENSTEIN, H. Technical progress, the production function and dualism. PSL Quarterly Review, [S. l.], v. 13, n. 55, 2014. DOI: 10.13133/2037-3643/11937. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/11937. Acesso em: 26 jan. 2025.