Further Reading

1.Dye，Thomas R.，Understanding Public Policy(9th Edition)，Upper Saddle River，N.J.:Prentice-Hall，1998.

2.McCool，Daniel C.ed.，Public Policy Theories，Models，and Concepts，Englewood Cliffs，N.J.:Prentice Hall，1995.(https://www.daowen.com)

3.Walker，Warren，The Policy Analysis Approach to Public Decisionmaking，Santa Monica，CA:Rand，1994.