Birkland, T. A. (2020). An introduction to the policy process: Theories, concepts, and models of public policy making. (3rd ed.). Taylor and Francis.

Birkland, Thomas A. An Introduction to the Policy Process: Theories, Concepts, and Models of Public Policy Making. (3rd Ed.). Taylor and Francis, 2020.

Birkland, Thomas A. An Introduction to the Policy Process: Theories, Concepts, and Models of Public Policy Making. (3rd Ed.). Taylor and Francis, 2020.