BERGFELD, Nicholas; KLAUSNER, David; SAMEL, Matus. Improving Social Impact Bonds: Assessing Alternative Financial Models to Scale Pay-for-Success. Annual Review of Policy Design, [S. l.], v. 7, n. 1, p. 1–20, 2019. Disponível em: https://ojs.unbc.ca/index.php/design/article/view/1774. Acesso em: 4 jun. 2025.