MACDONALD, Chris. The Middleman Effect: The ethical consequences of paying others to act on one’s behalf. Open Science Journal, [S. l.], v. 5, n. 1, 2020. DOI: 10.23954/osj.v5i1.2377. Disponível em: https://osjournal.org/ojs/index.php/OSJ/article/view/2377. Acesso em: 19 sep. 2025.