Michael James Hill, Peter L. Hupe (2002). Implementing Public Policy: Governance in Theory and Practice: London: Sage Publication. Journal of Public Governance, Poland, v. 9, n. 3, p. 105–106, 2009. Disponível em: https://publicgovernance.pl/index.php/zpub/article/view/23426. Acesso em: 31 oct. 2026.